List of Canadian plants by family R
Encyclopedia
Main page: List of Canadian plants by family
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Radulaceae 

  • Radula auriculata
  • Radula complanata
  • Radula obconica

  • Radula obtusiloba
  • Radula prolifera
  • Radula tenax


Ranunculaceae
Ranunculaceae
Ranunculaceae are a family of about 1700 species of flowering plants in about 60 genera, distributed worldwide....

 

  • Aconitum columbianum
    Aconitum columbianum
    Aconitum columbianum is a species of flowering plant in the buttercup family known by the common names Columbian monkshood or western monkshood. This wildflower is native to western North America where it grows in moist areas. It is a spindly, twining perennial plant with lobed or toothed leaves...

    — Columbia monkshood
  • Aconitum delphiniifolium — larkspur-leaf monkshood
  • Aconitum x bicolor
  • Actaea elata — tall bugbane
  • Actaea pachypoda
    Actaea pachypoda
    Actaea pachypoda is a flowering plant in the family Ranunculaceae, native to eastern North America....

    — white baneberry
  • Actaea racemosa — black bugbane
  • Actaea rubra — red baneberry
  • Actaea x ludovici
  • Anemone canadensis
    Anemone canadensis
    Anemone canadensis is a herbaceous perennial native to moist meadows, thickets, streambanks, and lakeshores in North America, spreading rapidly by underground rhizomes, valued for its white flowers.-Description:Shoots with deeply divided and toothed basal leaves grow from caudices on long,...

    — Canada anemone
  • Anemone cylindrica
    Anemone cylindrica
    Anemone cylindrica is a very upright growing, clump forming herbaceous plant species in the genus Anemone and family Ranunculaceae. Plants grow 30 to 100 cm tall, flowering early summer but often found flowering till late summer, the flowers are greenish-white. After flowering the fruits are...

    — long-fruited anemone
  • Anemone drummondii
    Anemone drummondii
    Anemone drummondii is a species of anemone known by the common name Drummond's anemone. This wildflower is native to western North America from California to Alaska. It is a squat perennial with short erect stems and small, soft, wrinkled leaves. Each clumping plant produces several showy flowers,...

    — Drummond's anemone
  • Anemone lithophila — Little Belt Mountain thimbleweed
  • Anemone lyallii — little mountain thimbleweed
  • Anemone multiceps — Porcupine River thimbleweed
  • Anemone multifida
    Anemone multifida
    Anemone multifida is a species of flowering plant in the buttercup family known by the common names cutleaf anemone, Pacific anemone and globe anemone. It is native to northern North America from Alaska to New York and as far south as Arizona and New Mexico. It is also known from parts of South...

    — Hudson Bay anemone
  • Anemone narcissiflora
    Anemone narcissiflora
    Anemone narcissiflora is a herbaceous perennial in the genus Anemone and the buttercup family.-Description:...

    — narcissus thimbleweed
  • Anemone parviflora
    Anemone parviflora
    Anemone parviflora is a herbaceous plant species in the genus Anemone and family Ranunculaceae. Plants grow 10 to 30 cm tall, from a thin, 2 mm thick rhizome. Stem leaves without petioles, basal leaves few with long petioles and deeply 3-parted...

    — smallflower anemone
  • Anemone piperi — Piper's anemone
  • Anemone quinquefolia
    Anemone quinquefolia
    Anemone quinquefolia is an early-spring flowering plant in the genus Anemone, native to North America. It is commonly called Wood Anemone, like Anemone nemorosa, a closely related European species...

    — wood anemone
  • Anemone richardsonii — yellow anemone
  • Anemone virginiana
    Anemone virginiana
    Anemone virginiana is an upright growing herbaceous plant species in the genus Anemone and family Ranunculaceae. Plants grow 30 to 80 cm tall, flowering early summer but often found flowering till late summer, the flowers are white or greenish-white...

    — Virginia anemone
  • Aquilegia brevistyla — smallflower columbine
  • Aquilegia canadensis — wild columbine
  • Aquilegia flavescens
    Aquilegia flavescens
    Aquilegia flavescens is a wildflower native to mountain meadows, open woods, and alpine slopes of the Rocky Mountains from Utah north to British Columbia and Alberta.The plant grows to 20-70 cm in height...

    — yellow columbine
  • Aquilegia formosa — crimson columbine
  • Aquilegia jonesii — Jones' columbine
  • Caltha leptosepala
    Caltha leptosepala
    Caltha leptosepala is a species of flowering plant in the buttercup family. It is native to western North America from Alaska to New Mexico, where it grows in wet mountain habitats in alpine and subalpine regions...

    — slender-sepal marsh-marigold
  • Caltha natans — floating marsh-marigold
  • Caltha palustris
    Caltha palustris
    Caltha palustris is a herbaceous perennial plant of the buttercup family, native to marshes, fens, ditches and wet woodland in temperate regions of the Northern Hemisphere....

    — marsh-marigold
  • Clematis columbiana — Columbian virgin's-bower
  • Clematis hirsutissima
    Clematis hirsutissima
    Clematis hirsutissima is a species of flowering plant in the buttercup family known by the common name hairy clematis. It is native to much of the western United States, from Washington to Nebraska. It is a small, erect plant which, unlike other Clematis, does not generally produce vines. It is...

    — clustered leather-flower
  • Clematis ligusticifolia
    Clematis ligusticifolia
    Clematis ligusticifolia is a climbing, spreading vine with showy flowers. It is also known as Old-man's Beard and Yerba de Chiva, and Virgin's bower,...

    — western virgin's-bower
  • Clematis occidentalis
    Clematis occidentalis
    Clematis occidentalis is a species of flowering plant in the buttercup family known by the common name western blue virginsbower. It is native to much of southern Canada and the northern United States. There are three varieties: var. occidentalis is limited to the eastern half of the species'...

    — purple clematis
  • Clematis virginiana
    Clematis virginiana
    Clematis virginiana Clematis virginiana Clematis virginiana (also known as Devil's Darning Needles, Devil's Hair, Love Vine, Traveller's Joy, Virgin's Bower, Virginia Virgin's Bower, Wild Hops , and Woodbine; syn. Clematis virginiana L. var...

    — Virginia virgin's-bower
  • Coptis aspleniifolia
    Coptis aspleniifolia
    Coptis aspleniifolia, commonly known as fernleaf goldthread or spleenwort-leaf goldthread, is found in the northern two-thirds of British Columbia, in Alaska, and along the Cascades into Washington and is a native plant of the temperate rain forests of the region...

    — spleenwort-leaf goldthread
  • Coptis trifolia
    Coptis trifolia
    Threeleaf Goldthread or Savoyane is a perennial plant in the genus Coptis, a member of the Ranunculaceae family.It has one small, deeply three-lobed, evergreen leaf rising from the ground....

    — goldthread
  • Delphinium bicolor
    Delphinium bicolor
    Delphinium bicolor is a species of larkspur known as little larkspur and low larkspur. It is native to northwestern North America from British Columbia to South Dakota, where it grows in mountain forests and foothill scrub and prairie. This is a perennial herb growing from a thickly branching root...

    — flathead larkspur
  • Delphinium brachycentrum — northern larkspur
  • Delphinium burkei — meadow larkspur
  • Delphinium carolinianum — Carolina larkspur
  • Delphinium distichum — two-spike larkspur
  • Delphinium glareosum — rockslide larkspur
  • Delphinium glaucum
    Delphinium glaucum
    Delphinium glaucum is a species of larkspur known by the common names Sierra larkspur, mountain larkspur, and glaucous larkspur. This wildflower is native to western North America from Arizona to Alaska. It grows in moist mountainous environments, such as riverbanks and meadows...

    — pale larkspur
  • Delphinium menziesii — Puget Sound larkspur
  • Delphinium nuttallianum
    Delphinium nuttallianum
    Delphinium nuttallianum is a species of larkspur known by the common names twolobe larkspur and Nuttall's larkspur. It is widely distributed across western North America from California to Alberta. This wildflower has a white to pink erect stem usually not exceeding half a meter in height which may...

    — Nuttall's larkspur
  • Delphinium sutherlandii — Sutherland's larkspur
  • Delphinium x occidentale — duncecap larkspur
  • Enemion biternatum
    Enemion biternatum
    Enemion biternatum , commonly known as the False Rue-anemone, is a spring ephemeral native to moist deciduous woodland in the eastern United States and extreme southern Ontario....

    — false rue-anemone
  • Enemion savilei — Queen Charlotte Island false rue-anemone
  • Anemone hepatica
    Anemone hepatica
    Anemone hepatica is a herbaceous perennial growing from a rhizome in the buttercup family , native to woodland in temperate regions of the Northern Hemisphere.- Taxonomy :The taxonomy of the genus Anemone and its species is not fully resolved...

    — roundlobe hepatica
  • Hydrastis canadensis — goldenseal
  • Kumlienia cooleyae — Cooley's buttercup
  • Myosurus apetalus
    Myosurus apetalus
    Myosurus apetalus is a species of flowering plant in the buttercup family known by the common name bristly mousetail. It is native to much of western North America, as well as Chile. It grows in moist and wet habitat, such as marshes, meadows, and vernal pools. It is an annual plant forming a small...

    — bristly mousetail
  • Myosurus minimus
    Myosurus minimus
    Myosurus minimus is a species of flowering plant in the buttercup family known by the common name tiny mousetail. It is native to much of the Northern Hemisphere, including parts of Europe, Asia, North Africa, and North America. It generally grows in moist habitat types, such as riverbanks and wet...

    — eastern mousetail
  • Pulsatilla occidentalis — western pasqueflower
  • Pulsatilla patens
    Pulsatilla patens
    Pulsatilla patens is a species of flowering plant in the family Ranunculaceae, native to Europe, Russia, Mongolia, China, Canada and the United States...

    — American pasqueflower

  • Ranunculus abortivus — kidneyleaf buttercup
  • Ranunculus acris — tall buttercup
  • Ranunculus alismifolius
    Ranunculus alismifolius
    Ranunculus alismifolius is a species of buttercup known by the common name plantainleaf buttercup. It is native to western North America from British Columbia to California to Colorado, where it grows in moist mountain habitat such as meadows, streambanks, and bogs, becoming common to abundant in...

    — water-plantain buttercup
  • Ranunculus allenii — Allen's buttercup
  • Ranunculus ambigens — water-plantain spearwort
  • Ranunculus aquatilis
    Ranunculus aquatilis
    Ranunculus aquatilis is a plant species of the genus Ranunculus, native throughout most of Europe and western North America, and also northwest Africa....

    — white water buttercup
  • Ranunculus californicus — California buttercup
  • Ranunculus cardiophyllus — heartleaf buttercup
  • Ranunculus cymbalaria
    Ranunculus cymbalaria
    Ranunculus cymbalaria is a species of buttercup known by the common names alkali buttercup and seaside buttercup. It is native to much of Eurasia and parts of North and South America, where it grows in many types of habitat, especially in moist to wet areas such as marshes, bogs, and moist spring...

    — seaside crowfoot
  • Ranunculus eschscholtzii
    Ranunculus eschscholtzii
    Ranunculus eschscholtzii is a species of buttercup known by the common name Eschscholtz's buttercup. It is native to much of western North America from Arctic northwestern Canada and Alaska to California to New Mexico, where it grows in meadows and talus on high mountain slopes and other open rocky...

    — Eschscholtz' buttercup
  • Ranunculus eximius — tundra buttercup
  • Ranunculus fascicularis — early buttercup
  • Ranunculus ficaria — figroot buttercup
  • Ranunculus flabellaris
    Ranunculus flabellaris
    fvRanunculus flabellaris is a plant, a species of buttercup known by the common name yellow water buttercup. It is native to much of North America, including the southern half of Canada and most of the United States. It is aquatic or semi-aquatic, growing in water or in or near muddy areas in many...

    — yellow water-crowfoot
  • Ranunculus flammula
    Ranunculus flammula
    Ranunculus flammula L. is a species of perennial herbaceous plants in the genus Ranunculus , growing in damp places throughout the Boreal Kingdom. It is very closely related to R. reptans L., which is distinguished by prostrate and more slender stems, narrower leaves and smaller flowers and is...

    — lesser spearwort
  • Ranunculus glaberrimus
    Ranunculus glaberrimus
    Ranunculus glaberrimus is a small plant native to interior western North America, from central British Columbia east to southern Saskatchewan, southwest to northeastern California, and southeast to northern New Mexico...

    — sagebrush buttercup
  • Ranunculus gmelinii
    Ranunculus gmelinii
    Ranunculus gmelinii or Gmelin's buttercup is a perennial flowering forb in the family Ranunculaceae. Like most buttercups it typically has five glossy yellow petals which are radially symmetric. It blooms from late spring through summer. The stem is prostrate on moist ground or floating, and will...

    — small yellow water-crowfoot
  • Ranunculus hexasepalus — Queen Charlotte Island buttercup
  • Ranunculus hispidus — hispid buttercup
  • Ranunculus hyperboreus — arctic buttercup
  • Ranunculus inamoenus — graceful buttercup
  • Ranunculus karelinii — Karelin's arctic buttercup
  • Ranunculus lapponicus
    Ranunculus lapponicus
    Ranunculus lapponicus is distributed all over the arctic, with the exception of northern and eastern Greenland....

    — Lapland buttercup
  • Ranunculus longirostris
    Ranunculus longirostris
    Ranunculus longirostris is a plant species of the genus Ranunculus.-External links:*...

    — eastern white water-crowfoot
  • Ranunculus macounii
    Ranunculus macounii
    Ranunculus macounii is a species of buttercup known by the common name Macoun's buttercup. It is native to much of North America, from Alaska and northwestern Canada to Newfoundland and Labrador, and the contiguous United States except for the northeast and southeastern areas. It grows in many...

    — Macoun's buttercup
  • Ranunculus nivalis
    Ranunculus nivalis
    Snow buttercup is a species of plant in the Ranunculaceae family....

    — snowy buttercup
  • Ranunculus occidentalis
    Ranunculus occidentalis
    Ranunculus occidentalis is a species of buttercup found in the western United States and Canada. Its distribution extends from Alaska through British Columbia and Alberta to central California...

    — western buttercup
  • Ranunculus orthorhynchus
    Ranunculus orthorhynchus
    Ranunculus orthorhynchus is a species of buttercup known by the common name straightbeak buttercup. It is native to western North America from Alaska to California to Utah, where it grows in moist areas in many types of habitat, including meadows and marshes...

    — bird's-food buttercup
  • Ranunculus pallasii — Pallas' buttercup
  • Ranunculus pedatifidus — northern buttercup
  • Ranunculus pensylvanicus — bristly crowfoot
  • Ranunculus pygmaeus
    Ranunculus pygmaeus
    Ranunculus pygmaeus is a species of buttercup found throughout the Arctic, as well as in the mountains of Norway and the Rocky Mountains. A few populations also exist in the Eastern Alps and Tatra Mountains.It is a small plant, prostrate-ascending, 1-5 cm tall...

    — dwarf buttercup
  • Ranunculus recurvatus
    Ranunculus recurvatus
    Ranunculus recurvatus is a plant species of the genus Ranunculus in the family Ranunculaceae native to eastern North America. It is an early-flowering plant of moist deciduous woods from central Quebec south to Florida....

    — hooked crowfoot
  • Ranunculus rhomboideus — prairie buttercup
  • Ranunculus sabinei — Sardinian buttercup
  • Ranunculus sceleratus
    Ranunculus sceleratus
    Ranunculus sceleratus is a species of buttercup known by the common names cursed buttercup and celery-leaved buttercup. It is native to North America and Eurasia, where it grows in wet and moist habitat, including ponds and streambanks. It is an annual herb growing up to half a meter tall...

    — cursed crowfoot
  • Ranunculus suksdorfii — Suksdorf's buttercup
  • Ranunculus sulphureus — sulphur buttercup
  • Ranunculus trichophyllus — northeastern white water-crowfoot
  • Ranunculus turneri — Turner's buttercup
  • Ranunculus uncinatus
    Ranunculus uncinatus
    Ranunculus uncinatus is a species of buttercup known by the common names woodland buttercup and little buttercup. It is native to western North America from Alaska to California to New Mexico, where it grows in wet, wooded habitat such as forest streambanks. It is a perennial herb producing a...

    — woodland buttercup
  • Ranunculus verecundus — timberline buttercup
  • Ranunculus x spitzbergensis
  • Thalictrum alpinum
    Thalictrum alpinum
    Thalictrum alpinum is a species of flowering plant in the buttercup family known by the common name alpine meadow-rue. It is native to Arctic and alpine regions of North America and Eurasia, including Alaska, northern Canada, and Greenland, and it occurs in cold, wet, boggy habitat in high...

    — alpine meadowrue
  • Thalictrum dasycarpum — purple meadowrue
  • Thalictrum dioicum
    Thalictrum dioicum
    Thalictrum dioicum is a species of herbaceous plants in the family Ranunculaceae. Plants are typically upright growing woodland natives from central and eastern North America including parts of south eastern Canada...

    — early meadowrue
  • Thalictrum occidentale
    Thalictrum occidentale
    Thalictrum occidentale is a species of flowering plant in the buttercup family known by the common name western meadow-rue. It is native to northwestern North America from Alaska and western Canada to northern California to Wyoming and Colorado, where it grows in shady habitat types such as forest...

    — western meadowrue
  • Thalictrum pubescens
    Thalictrum pubescens
    Thalictrum pubescens is a plant in the buttercup family, Ranunculaceae.-Description:Thalictrum pubescens is a herbaceous plant with alternate, pinnately compound leaves, on hollow, green stems. The flowers are white, borne in spring and summer....

    — tall meadowrue
  • Thalictrum revolutum — waxleaf meadowrue
  • Thalictrum sparsiflorum
    Thalictrum sparsiflorum
    Thalictrum sparsiflorum is a species of flowering plant in the buttercup family known by the common name fewflower meadow-rue. It is native to northwestern North America and parts of northeastern Asia. It grows in moist habitat, such as streambanks and forest understory. It is a perennial herb...

    — few-flower meadowrue
  • Thalictrum thalictroides
    Thalictrum thalictroides
    Thalictrum thalictroides is a spring ephemeral plant in the buttercup family, prized for its white to pink flowers, native to woodland in eastern North America.-Description:...

    — windflower
  • Thalictrum venulosum — veined meadowrue
  • Trautvetteria caroliniensis — Carolina tassel-rue
  • Trollius laxus — spreading globeflower


Rhamnaceae
Rhamnaceae
Rhamnaceae, the Buckthorn family, is a large family of flowering plants, mostly trees, shrubs and some vines.The family contains 50-60 genera and approximately 870-900 species. The Rhamnaceae have a worldwide distribution, but are more common in the subtropical and tropical regions...

 

  • Ceanothus americanus
    Ceanothus americanus
    Ceanothus americanus is a species of shrub native to North America. Common names include New Jersey tea, Jersey tea ceanothus, variations of red root , and mountain sweet , and wild snowball...

    — New Jersey tea
  • Ceanothus herbaceus — prairie redroot
  • Ceanothus sanguineus
    Ceanothus sanguineus
    Ceanothus sanguineus is a species of shrub in the buckthorn family Rhamnaceae known by the common name redstem ceanothus. It is native to western North America from British Columbia to Montana to far northern California; it is also known from Michigan. It grows in temperate coniferous forest...

    — Oregon-tea

  • Ceanothus velutinus
    Ceanothus velutinus
    Ceanothus velutinus, with the common names Snowbrush Ceanothus, Red Root, and Tobacco Brush, is a species of shrub in the buckthorn family, Rhamnaceae...

    — tobacco ceanothus
  • Frangula purshiana — Cascara false buckthorn
  • Rhamnus alnifolia
    Rhamnus alnifolia
    Rhamnus alnifolia is a species of flowering plant in the buckthorn family known by the common name alder buckthorn, or alderleaf buckthorn. It is native to North America, where it is known mainly from the southern half of Canada and the northern half of the United States and California...

    — alderleaf buckthorn


Ricciaceae
Ricciaceae
Ricciaceae is a family of liverworts in order Marchantiales, with two genera.* Riccia* Ricciocarpos...

 

  • Riccia beyrichiana
  • Riccia bifurca
  • Riccia cavernosa
  • Riccia fluitans
    Riccia fluitans
    Riccia fluitans, whose common name is crystalwort, is an aquatic floating plant of the liverwort genus Riccia which is popular among aquarists as a retreat for young fry and is used in live-bearing tanks. It can be found floating in ponds, and often forms thick mats on and under the water...


  • Riccia frostii
  • Riccia sorocarpa
  • Riccia sullivantii
  • Ricciocarpos natans


Rosaceae
Rosaceae
Rosaceae are a medium-sized family of flowering plants, including about 2830 species in 95 genera. The name is derived from the type genus Rosa. Among the largest genera are Alchemilla , Sorbus , Crataegus , Cotoneaster , and Rubus...

 


  • Agrimonia gryposepala
    Agrimonia gryposepala
    Agrimonia gryposepala is a small flowering plant of the rose family , which is native to North America and was used by various indigenous peoples to treat medical problems such as diarrhea and fever.-Name and description:Agrimonia gryposepala Agrimonia gryposepala (also known as Tall hairy...

    — tall hairy groovebur
  • Agrimonia parviflora
    Agrimonia parviflora
    Agrimonia parviflora is a species of perennial herbaceous flowering plants. Small Flowered Agrimony,Harvestlice Agrimony, and Harvestlice are its most common names in the United States....

    — swamp agrimony
  • Agrimonia pubescens — soft groovebur
  • Agrimonia striata
    Agrimonia striata
    Agrimonia striata is a species of perennial forb belonging to the Rose family . It grows to about 40in. producing a dense cluster of 5-parted yellow flowers on a hairy stalk above pinnately-divided leaves...

    — woodland agrimony
  • Alchemilla alpina
    Alchemilla alpina
    Alchemilla alpina, Alpine Lady's Mantle, is an arctic-montane herbaceous perennial plant native to Europe and Southern Greenland.Alpine Lady's Mantle has been used for centuries as an herbal remedy, and is used in horticulture as a ground cover and in rock gardens.-External links:*...

    — mountain lady's-mantle
  • Alchemilla filicaulis — thinstem lady's-mantle
  • Alchemilla glomerulans — clustered lady's-mantle
  • Amelanchier alnifolia — saskatoonberry
  • Amelanchier arborea — downy serviceberry
  • Amelanchier bartramiana
    Amelanchier bartramiana
    Amelanchier bartramiana is a species of serviceberry. Common names include mountain serviceberry, Bartram's serviceberry, mountain juneberry, Bartram juneberry, and the oblongfruit serviceberry....

    — Bartram's shadbush
  • Amelanchier canadensis
    Amelanchier canadensis
    Amelanchier canadensis is a species of Amelanchier native to eastern North America in Canada from Newfoundland west to southern Ontario, and in the United...

    — oblongleaf serviceberry
  • Amelanchier fernaldii — Fernald's serviceberry
  • Amelanchier humilis
    Amelanchier humilis
    Amelanchier humilis, commonly known as the low shadbush, is a species of serviceberry. The plant is a shrub. The fruit, which is a pome, is edible and can be eaten raw or cooked. The fruit has a sweet taste, with slight apple flavor. The leaves are oval or broad shaped.-External links:***...

    — running serviceberry
  • Amelanchier interior
    Amelanchier interior
    Amelanchier interior is type of serviceberry shrub. It produces a sweet tasting edible fruit called a pome, which can be eaten raw or cooked. The fruit has a sweet flavor. This species is a deciduous tree....

    — shadbush
  • Amelanchier laevis
    Amelanchier laevis
    Amelanchier laevis is a small tree, growing up to 9m. The fruit, which are pomes, are edible and can be eaten raw or cooked. The fruit has a sweet flavor. The bark can be made into a herbal medicine for expectant mothers. It is a deciduous tree...

    — Allegheny serviceberry
  • Amelanchier sanguinea
    Amelanchier sanguinea
    Amelanchier sanguinea, known as red-twigged shadbush or roundleaf serviceberry, is a shrub native to eastern North America. It can grow up to 3 metres tall, and has edible sweet-flavored fruits that are red when young and become purple or dark-blue when they ripen. Like all Amelanchier fruit, these...

    — roundleaf shadbush
  • Amelanchier stolonifera — running serviceberry
  • Amelanchier x intermedia
  • Amelanchier x neglecta
  • Amelanchier x quinti-martii
  • Argentina anserina — silverweed
  • Argentina egedii — Eged's cinquefoil
  • Aruncus dioicus
    Aruncus dioicus
    Aruncus dioicus is a plant in the rose family, Rosaceae. It is a herbaceous plant with alternate, pinnately compound leaves, on thin, stiff stems. The flowers are white, borne in summer. This plant can be found throughout Europe, Asia, and eastern and western North America...

    — common goat's-beard
  • Chamaerhodos erecta — rose chamærhodos
  • Comarum palustre — marsh cinquefoil
  • Crataegus apiomorpha
    Crataegus apiomorpha
    Crataegus apiomorpha is a species of hawthorn.-References and external links:*...

    — Fort Sheridan hawthorn
  • Crataegus beata — Dunbar's hawthorn
  • Crataegus brainerdii — Brainerd's hawthorn
  • Crataegus calpodendron
    Crataegus calpodendron
    Crataegus calpodendron is a species of hawthorn native to much of the eastern US and to Ontario, Canada. The common name late hawthorn refers to the flowering time, which is later than most North American hawthorns.-References and external links:...

    — pear hawthorn
  • Crataegus canadensis — Canadian hawthorn
  • Crataegus chrysocarpa
    Crataegus chrysocarpa
    Crataegus chrysocarpa is a species of hawthorn that is native to much of the continental US and Canada. Common names fireberry hawthorn and goldenberry hawthorn, as well as the scientific name all refer to the colour of the unripe fruit, although the mature fruit is red.Three varieties C....

    — fineberry hawthorn
  • Crataegus compacta — clustered hawthorn
  • Crataegus compta
    Crataegus compta
    Crataegus compta is a hawthorn native to the northeastern U.S. and southeastern Canada.-References and external links:*...

    — adorned hawthorn
  • Crataegus crus-galli
    Crataegus crus-galli
    Crataegus crus-galli is a species of hawthorn known by the common names cockspur hawthorn and cockspur thorn. It is native to eastern North America from Ontario to Texas to Florida, and it is widely used in horticulture. This is a small tree growing up to about 10 meters tall and 8 meters wide,...

    — cockspur hawthorn
  • Crataegus dilatata — broadleaf hawthorn
  • Crataegus dissona — northern hawthorn
  • Crataegus dodgei — Dodge's hawthorn
  • Crataegus douglasii
    Crataegus douglasii
    Crataegus douglasii is a North American species of hawthorn known by the common names black hawthorn and Douglas' thornapple. It is named after David Douglas, who collected seed from the plant during his botanical explorations....

    — Douglas' hawthorn
  • Crataegus flabellata
    Crataegus flabellata
    Crataegus flabellata is a species of hawthorn known by the common name fanleaf hawthorn. It is native to the northeastern U.S. and adjacent Canada. It is intermediate in appearance between C. macrosperma and C. chrysocarpa. C. macrosperma, which occurs throughout the range of C. flabellata and also...

    — fanleaf hawthorn
  • Crataegus fulleriana — Fuller's hawthorn
  • Crataegus holmesiana
    Crataegus holmesiana
    Crataegus holmesiana is a species of hawthorn that is closely related to Scarlet Hawthorn, C. coccinea , but with more elongated fruit and leaves.-References and external links:***...

    — Holmes' hawthorn
  • Crataegus intricata
    Crataegus intricata
    Crataegus intricata is a species of hawthorn known by the common names Copenhagen hawthorn and thicket hawthorn. It is native to eastern Canada and the eastern United States. Its fruit are brown to red.-References and external links:* **...

    — Copenhagen hawthorn
  • Crataegus iracunda
    Crataegus iracunda
    Crataegus iracunda is a species of hawthorn, sometimes called the stolonbearing hawthorn. It was described in 1899 by Chauncey Delos Beadle of the Biltmore Herbarium in North Carolina.- External links :...

    — stolon-bearing hawthorn
  • Crataegus irrasa — Blanchard's hawthorn
  • Crataegus jonesae
    Crataegus jonesae
    Crataegus jonesae is a species of hawthorn native to New England.....

    — Miss Jones' hawthorn
  • Crataegus knieskerniana — Knieskern's hawthorn
  • Crataegus lemingtonensis — Lemington hawthorn
  • Crataegus lumaria — roundleaf hawthorn
  • Crataegus macrosperma
    Crataegus macrosperma
    Crataegus macrosperma is a species of hawthorn native to most of the eastern U.S. and adjacent Canada, though uncommon at lower altitudes in the south. It is sometimes misidentified as C. flabellata.-References and external links:*...

    — bigstem hawthorn
  • Crataegus margarettiae — Margarett's hawthorn
  • Crataegus mollis
    Crataegus mollis
    Crataegus mollis, known as Downy Hawthorn or Red Hawthorn, occurs in eastern North America from southeastern North Dakota east to Nova Scotia and southwest to eastern Texas. This tree inhabits wooded bottomlands, the prairie border, and the midwest savanna understorey.This tree grows to 10–13 m...

    — downy hawthorn
  • Crataegus nitida — glossy hawthorn
  • Crataegus nitidula — Ontario hawthorn
  • Crataegus okennonii — O'Kennon's hawthorn
  • Crataegus pedicellata
    Crataegus pedicellata
    Crataegus pedicellata is a name for a species of Hawthorn that has been shown to be the same as C. coccinea L., common name "Scarlet Hawthorn". Under the International Code of Botanical Nomenclature, the older name should be used. Considerable confusion persists, however, because the name C...

    — scarlet hawthorn
  • Crataegus pennsylvanica — Pennsylvania hawthorn
  • Crataegus perjucunda — pearthorn
  • Crataegus persimilis — plumleaf hawthorn
  • Crataegus phippsii
    Crataegus phippsii
    Crataegus phippsii is a species of hawthorn native to western British Columbia, Washington state and Montana. It forms a shrub or small tree to 7 m in height with leaves that have white hair on the underside, and fruit that ripen through red to purplish black. It appears to have potential as an...

    — Phipps' hawthorn
  • Crataegus pringlei — Pringle's hawthorn
  • Crataegus prona — Illinois hawthorn
  • Crataegus pruinosa
    Crataegus pruinosa
    Crataegus pruinosa is a species of hawthorn known by the common name frosted hawthorn. It is native to a wide area of the eastern US and southern Canada, and is sometimes considered to be several species, rather than just one....

    — waxy-fruit hawthorn
  • Crataegus punctata
    Crataegus punctata
    Crataegus punctata is a species of hawthorn known by the common names dotted hawthorn or white haw that is native to most of the eastern U.S. and eastern Canada. It is the state flower of Missouri....

    — dotted hawthorn
  • Crataegus robinsonii — Robinson's hawthorn
  • Crataegus scabrida
    Crataegus scabrida
    Crataegus scabrida is a species of hawthorn.- External links :*...

    — rough hawthorn
  • Crataegus schuettei — Schuette's hawthorn
  • Crataegus submollis
    Crataegus submollis
    Crataegus submollis is a species of hawthorn that grows to about 10 m in height and typically carries large crops of red fruit.This species is closely related to C. mollis, but the two species have separate native ranges. Amongst other differences between these two species, C. mollis has...

    — Québec hawthorn
  • Crataegus suborbiculata — Caughuawaga hawthorn
  • Crataegus succulenta
    Crataegus succulenta
    Crataegus succulenta is a species of hawthorn known by the common names fleshy hawthorn and succulent hawthorn. It is "the most wide-ranging hawthorn in North America", native to much of southern Canada, and the United States as far south as Arizona, New Mexico, Kansas, Missouri, North Carolina,...

    — fleshy hawthorn
  • Crataegus suksdorfii — Suksdorf's hawthorn
  • Crataegus x anomala
  • Crataegus x kingstonensis
  • Dalibarda repens
    Dalibarda repens
    Dalibarda repens is a perennial plant in the Rose family, Rosaceae. It is the only species in its genus, which is closely allied with the genus Rubus...

    — robin-run-away
  • Dasiphora fruticosa — shrubby cinquefoil
  • Dryas drummondii — yellow mountain-avens
  • Dryas integrifolia — entire-leaved mountain-avens
  • Dryas octopetala
    Dryas octopetala
    Dryas octopetala is an arctic-alpine flowering plant in the family Rosaceae. It is a small prostrate evergreen subshrub forming large colonies, and is a popular flower in rock gardens...

    — eight-petal mountain-avens
  • Dryas x sundermannii
  • Dryas x wyssiana
  • Filipendula rubra
    Filipendula rubra
    Filipendula rubra is a medicinal plant and ornamental plant native to the United States. Its native range extends from the Eastern to the Central United States, and grows in a wide range of shady and moist habitats....

    — queen-of-the-prairie
  • Fragaria chiloensis
    Fragaria chiloensis
    Fragaria chiloensis, the beach strawberry, Chilean strawberry, or coastal strawberry, is one of two species of strawberry that were hybridized to create the modern garden strawberry . It is noted for its large berries. Its natural range is the Pacific Ocean coasts of North and South America, and...

    — Chilean strawberry
  • Fragaria crinita — Pacific strawberry
  • Fragaria vesca — woodland strawberry
  • Fragaria virginiana — Virginia strawberry
  • Fragaria x ananassa
  • Geum aleppicum
    Geum aleppicum
    Geum aleppicum, Yellow Avens, is a flowering plant native to most of the temperate Northern Hemisphere, from eastern Europe across Asia and North America....

    — yellow avens
  • Geum calthifolium — caltha-leaf avens
  • Geum canadense
    Geum canadense
    Geum canadense is a plant in the rose family, Rosaceae.-Description:Geum canadense is a herbaceous plant with alternate, simple leaves, on green stems. The flowers are white, borne in spring....

    — white avens
  • Geum glaciale — glacier avens
  • Geum laciniatum
    Geum laciniatum
    Geum laciniatum is a member of the Rosaceae family. It is a perennial forb, native to eastern North America. -External links:*...

    — rough avens
  • Geum macrophyllum
    Geum macrophyllum
    Geum macrophyllum, commonly known as largeleaf avens, is a flowering plant found from the Arctic south to the northern U.S. states, and in the Rocky Mountains and west to the Sierra Nevada in California and as far south as Northwestern Mexico....

    — largeleaf avens
  • Geum peckii — mountain avens
  • Geum rivale — purple avens
  • Geum rossii
    Geum rossii
    Geum rossii is a species of flowering plant in the rose family known by the common names Ross' avens and alpine avens. It is native to North America where its distribution spans northern Canada and the high mountains of the western United States. It grows at high-latitude and high-elevation...

    — Ross' avens
  • Geum triflorum
    Geum triflorum
    Geum triflorum, is a spring perennial herbaceous plant of North America from northern Canada to California and east to New York....

    — prairie-smoke
  • Geum vernum — spring avens
  • Geum virginianum — pale avens
  • Geum x aurantiacum
  • Geum x macranthum
  • Geum x pulchrum
  • Holodiscus discolor
    Holodiscus discolor
    Holodiscus discolor, commonly known as ocean spray, creambush or ironwood, is a shrub of western North America. It is common in the Pacific Northwest where it is found in both openings and the forest understory at low to moderate elevations.-Description:Holodiscus discolor is a fast-growing...

    — creambush oceanspray
  • Luetkea pectinata — segmented lütkea
  • Malus coronaria
    Malus coronaria
    Malus coronaria, also known by the names sweet crabapple or garland crab, is a North American species of Malus . It often is a bushy shrub with rigid, contorted branches, but frequently becomes a small tree with a broad open head. It prefers rich moist soil and is most abundant east of the...

    — sweet crabapple
  • Malus fusca
    Malus fusca
    Malus fusca is a species of crabapple. It is native to western North America from Alaska to California, where it grows in coniferous forests. The fruits are small round apple-shaped pomes....

    — Pacific crabapple
  • Malus glaucescens
    Malus glaucescens
    Malus glaucescens, commonly known as Dunbar crabapple, is a species in the genus Malus in the family Rosaceae....

    — sweet crabapple
  • Oemleria cerasiformis
    Oemleria cerasiformis
    Oemleria cerasiformis, also known as the Osoberry and Indian Plum, is the sole species in genus Oemleria. It is a shrub native to the Pacific coast and ranges of North America, from British Columbia, Canada to Santa Barbara County, California, U.S.A. It is among the first plants to leaf out and...

    — osoberry
  • Photinia floribunda — purple chokeberry
  • Photinia melanocarpa — black chokeberry
  • Photinia pyrifolia — red chokeberry
  • Physocarpus capitatus
    Physocarpus capitatus
    Physocarpus capitatus, commonly called Pacific ninebark or tall ninebark, is a species of Physocarpus native to western North America from southern Alaska east to Montana and Utah, and south to southern California....

    — Pacific ninebark
  • Physocarpus malvaceus — mallowleaf ninebark
  • Physocarpus opulifolius
    Physocarpus opulifolius
    Physocarpus opulifolius, commonly called common ninebark or Atlantic ninebark, is a plant in the rose family, Rosaceae.-Description:...

    — eastern ninebark
  • Potentilla arguta
    Potentilla arguta
    Drymocallis arguta, commonly known as the tall cinquefoil or sticky cinquefoil, is a perennial plant in the Rosaceae family of flowering plants native to North America. It was formerly included with the typical cinquefoils in the genus Potentilla.There are two accepted subspecies:* Drymocallis...

    — tall cinquefoil
  • Potentilla biennis
    Potentilla biennis
    Potentilla biennis is a species of cinquefoil known by the common name biennial cinquefoil. It is native to western North America from northwestern Canada to the southwestern United States, where it grows in moist habitat. This is an annual or biennial herb producing an erect stem up to 70...

    — biennial cinquefoil
  • Potentilla biflora — two-flower cinquefoil
  • Potentilla bipinnatifida — tansy cinquefoil
  • Potentilla canadensis — Canada cinquefoil
  • Potentilla concinna — red cinquefoil
  • Potentilla diversifolia
    Potentilla diversifolia
    Potentilla diversifolia is a species of cinquefoil known by the common names varileaf cinquefoil and different-leaved cinquefoil.-Distribution:...

    — mountain meadow cinquefoil
  • Potentilla drummondii
    Potentilla drummondii
    Potentilla drummondii is a species of cinquefoil known by the common name Drummond's cinquefoil. It is native to North America from Alaska to California, where it grows in many types of moist habitat. It is perhaps better described as a species complex containing many intergrading subspecies that...

    — Drummond's cinquefoil
  • Potentilla effusa — branched cinquefoil
  • Potentilla elegans — elegant cinquefoil
  • Potentilla fissa — bigflower cinquefoil
  • Potentilla flabellifolia
    Potentilla flabellifolia
    Potentilla flabellifolia is a species of cinquefoil known by the common names high mountain cinquefoil and fan-foil. It is native to western North America from British Columbia to California to Wyoming, where it grows in higher elevation mountainous habitat, such as summertime meadows. It produces...

    — fanleaf cinquefoil
  • Potentilla flabelliformis
  • Potentilla glandulosa
    Potentilla glandulosa
    Potentilla glandulosa is a species of cinquefoil known by the common name sticky cinquefoil. It is native to western North America from southwestern Canada to the southwestern United States, where it is widespread and can be found in many types of habitat. It is highly variable and there are many...

    — sticky cinquefoil
  • Potentilla gracilis
    Potentilla gracilis
    Potentilla gracilis, known as Slender Cinquefoil, or Graceful Cinquefoil is a species of cinquefoil.Named varieties are:* Potentilla gracilis var. elmeri Jeps. – Combleaf Cinquefoil* Potentilla gracilis var...

    — fanleaf cinquefoil
  • Potentilla hippiana — horse cinquefoil
  • Potentilla hookeriana — Hooker's cinquefoil
  • Potentilla macounii — Macoun's cinquefoil
  • Potentilla multifida — divided cinquefoil

  • Potentilla nana — arctic cinquefoil
  • Potentilla neumanniana
    Potentilla neumanniana
    Potentilla neumanniana, the Spring Cinquefoil or Spotted Cinquefoil, is a flowering plant of the cinquefoil genus in the rose family . It was first scientifically described by H.G.L. Reichenbach in 1832....

    — spring cinquefoil
  • Potentilla nivea — snow cinquefoil
  • Potentilla norvegica
    Potentilla norvegica
    Potentilla norvegica is a species of cinquefoil known by the common names rough cinquefoil and Norwegian cinquefoil. It is native to Eurasia...

    — Norwegian cinquefoil
  • Potentilla ovina — sheep cinquefoil
  • Potentilla paradoxa — bushy cinquefoil
  • Potentilla pectinisecta — combleaf cinquefoil
  • Potentilla pensylvanica
    Potentilla pensylvanica
    Potentilla pensylvanica is a species of cinquefoil known by the common names Pennsylvania cinquefoil and prairie cinquefoil. It is native to much of northern and western North America, including most of Canada and the western half of the United States. It grows in many types of habitat. The plant...

    — Pennsylvania cinquefoil
  • Potentilla plattensis — Platte River cinquefoil
  • Potentilla pulchella — pretty cinquefoil
  • Potentilla pulcherrima — soft cinquefoil
  • Potentilla rivalis
    Potentilla rivalis
    Potentilla rivalis is a species of cinquefoil known by the common name brook cinquefoil. It is native to much of North America, including the southern half of Canada and the western and central United States. It grows in moist habitat, sometimes in disturbed areas. It is an annual or biennial herb...

    — brook cinquefoil
  • Potentilla rubricaulis — Rocky Mountain cinquefoil
  • Potentilla simplex — common cinquefoil
  • Potentilla subjuga — Colorado cinquefoil
  • Potentilla tabernaemontani — spotted cinquefoil
  • Potentilla uniflora — one-flower cinquefoil
  • Potentilla vahliana — Vahl's cinquefoil
  • Potentilla villosa
    Potentilla villosa
    Potentilla villosa is a species of cinquefoil known by the common name Northern Cinquefoil. Potentilla Villosa is a member of the Rose Family...

    — northern cinquefoil
  • Prunus americana
    Prunus americana
    Prunus americana, commonly called the American Plum, Wild Plum, or Marshall's Large Yellow Sweet Plum, is a species of Prunus native to North America from Saskatchewan to New Mexico east to New Hampshire and Florida. It has often been planted outside its core range and sometimes escapes cultivation...

    — American plum
  • Prunus emarginata — bitter cherry
  • Prunus nigra
    Prunus nigra
    Prunus nigra is a species of Prunus, native to eastern North America from New Brunswick west to southeastern Manitoba, and south to Connecticut across to Iowa...

    — Canada plum
  • Prunus pensylvanica — fire cherry
  • Prunus pumila
    Prunus pumila
    Prunus pumila, commonly called sand cherry, Bessey cherry, dwarf cherry, eastern sand cherry, Great Lakes sand cherry, prostrate dwarf cherry, Rocky Mountain cherry, or western sand cherry, is a species of Prunus native to eastern and central North America, from New Brunswick west to Ontario and...

    — sand cherry
  • Prunus serotina — wild black cherry
  • Prunus virginiana — choke cherry
  • Purshia tridentata
    Purshia tridentata
    Purshia tridentata is a nitrogen fixing shrub in the genus Purshia, native to mountainous areas of western North America ranging from southeastern British Columbia in the north, east to Montana and south to California and New Mexico...

    — antelope bitterbrush
  • Rosa acicularis
    Rosa acicularis
    Rosa acicularis, also known as the prickly wild rose, the prickly rose, the bristly rose and the Arctic rose, is a species of wild rose with a Holarctic distribution in northern regions of Asia, Europe, and North America....

    — prickly rose
  • Rosa arkansana — prairie rose
  • Rosa blanda — smooth rose
  • Rosa carolina
    Rosa carolina
    Rosa carolina, commonly known as the Carolina rose, pasture rose, or low rose, is a shrub in the rose family native to eastern North America, where it can be found in nearly all US states and Canadian provinces east of the Great Plains....

    — Carolina rose
  • Rosa gymnocarpa
    Rosa gymnocarpa
    Rosa gymnocarpa is a species of rose native to western North America. It is known by the common names wood rose, baldhip rose, and dwarf rose. It grows in shady, damp, and rich forests.-Description:...

    — wood rose
  • Rosa nitida
    Rosa nitida
    Rosa nitida, also known as the shining rose due to its glossy leaves , is a species in the plant genus Rosa in the plant family Rosaceae. It is native to northeastern North America, from Connecticut north to Newfoundland and Quebec. It forms a low, suckering, deciduous shrub, growing up to a metre...

    — shining rose
  • Rosa nutkana — Nootka rose
  • Rosa palustris
    Rosa palustris
    Rosa palustris is a shrub in the rose family native to much of eastern North America. It can be found from Nova Scotia and New Brunswick in the north, south to Florida and west to Arkansas and Ontario.-Description:...

    — swamp rose
  • Rosa pisocarpa
    Rosa pisocarpa
    Rosa pisocarpa is a species of rose known by the common name cluster rose or swamp rose. It is native to western North America from British Columbia to northern California, where it generally grows in moist habitats. It is a shrub sometimes forming a thicket, and growing up to 2.5 meters tall...

    — clustered rose
  • Rosa setigera — prairie rose
  • Rosa virginiana
    Rosa virginiana
    Rosa virginiana, commonly known as the Virginia Rose , Common Wild Rose or Prairie Rose, is a woody perennial in the rose family native to eastern North America, where it is the commonest wild rose. It is deciduous, forming a suckering shrub up to 2 metres in height, though often less. The stems...

    — Virginia rose
  • Rosa woodsii
    Rosa woodsii
    Rosa woodsii is a species of rose known by the common name Woods' rose. It is native to North America including much of Canada and Alaska and the western and central United States. It grows in a variety of habitat types, including disturbed areas....

    — Woods' rose
  • Rosa x dulcissima
  • Rubus adenocaulis — glandstem dewberry
  • Rubus adjacens — peaty dewberry
  • Rubus alaskensis — Alaska blackberry
  • Rubus allegheniensis — Allegheny blackberry
  • Rubus alumnus — blackberry
  • Rubus arcticus — nagoonberry
  • Rubus arcuans — wand dewberry
  • Rubus arenicola — sand-dwelling dewberry
  • Rubus baileyanus — Bailey's dewberry
  • Rubus bellobatus — Kittatinny blackberry
  • Rubus biformispinus — pasture dewberry
  • Rubus canadensis — smooth blackberry
  • Rubus chamaemorus — cloudberry
  • Rubus elegantulus — showy blackberry
  • Rubus flagellaris — northern dewberry
  • Rubus fraternalis — northeastern dewberry
  • Rubus frondisentis — leafy blackberry
  • Rubus frondosus — Yankee blackberry
  • Rubus glandicaulis — glandstem blackberry
  • Rubus heterophyllus — ecotone blackberry
  • Rubus hispidus — bristly dewberry
  • Rubus idaeus
    Rubus idaeus
    Rubus idaeus is a red-fruited species of Rubus native to Europe and northern Asia and commonly cultivated in other temperate regions. A closely related plant in North America, sometimes regarded as the variety Rubus idaeus var...

    — American red raspberry
  • Rubus jacens — spreading dewberry
  • Rubus junceus — herbaceous blackberry
  • Rubus kennedyanus — Kennedy's blackberry
  • Rubus lasiococcus
    Rubus lasiococcus
    Rubus lasiococcus is a species of wild blackberry known by the common names roughfruit berry and dwarf bramble. It is native to western North America from British Columbia to northern California, where it grows in mountain forests...

    — hairy-fruit smooth dewberry
  • Rubus leucodermis
    Rubus leucodermis
    Rubus leucodermis is a species of Rubus native to western North America, from British Columbia, Canada south to California, New Mexico and Mexico...

    — white-stemmed raspberry
  • Rubus mananensis — Grand Manan dewberry
  • Rubus michiganensis — Michigan dewberry
  • Rubus multiformis — variable blackberry
  • Rubus navus — grand lake blackberry
  • Rubus nivalis
    Rubus nivalis
    Rubus nivalis, commonly known as snow raspberry, is a species of flowering plant in the rose family. It is native to western North America from British Columbia to far northern California, where it grows in mountain forests.-External links:***...

    — snow dwarf bramble
  • Rubus novocaesarius — Tuckahoe dewberry
  • Rubus occidentalis
    Rubus occidentalis
    Rubus occidentalis is a species of Rubus native to eastern North America. Its common name black raspberry is shared with the closely related western American species Rubus leucodermis...

    — black raspberry
  • Rubus odoratus
    Rubus odoratus
    Rubus odoratus is a species of Rubus, native to eastern North America, from Nova Scotia west to Ontario, and south to Georgia and Alabama....

    — purple-flowering raspberry
  • Rubus ortivus — Mt. Desert Island blackberry
  • Rubus paganus — St. Lawrence dewberry
  • Rubus particeps — Kingston dewberry
  • Rubus parviflorus — thimbleberry
  • Rubus pedatus
    Rubus pedatus
    Rubus pedatus is a species of raspberry known under the common names Five-leaved bramble, Strawberryleaf Raspberry and Creeping Raspberry. It is a low shrub or herb with thorn-less creeping stems. The leaves are alternate, deciduous, divided into 5 leaflets each coarsely toothed. The flowers are...

    — five-leaf dwarf bramble
  • Rubus pensilvanicus
    Rubus pensilvanicus
    Rubus pensilvanicus, known commonly as Pennsylvania Blackberry, is a prickly bramble native to eastern North America. The canes are green at first but then turning dark red, usually ridged, with copious straight prickles. The leaves are compound, usually bearing 5 or 7 leaflets. The flowers are...

    — Pennsylvania blackberry
  • Rubus pergratus — upland blackberry
  • Rubus pervarius — Westminster dewberry
  • Rubus plicatifolius — plaitleaf dewberry
  • Rubus provincialis — groundberry
  • Rubus pubescens
    Rubus pubescens
    Rubus pubescens is a herbaceous perennial native to the northern United States and Canada. Rubus chloocladus is native to Europe.-Description:...

    — dwarf red raspberry
  • Rubus pugnax — pugnacious blackberry
  • Rubus recurvans — recurved blackberry
  • Rubus recurvicaulis — arching dewberry
  • Rubus regionalis — Wisconsin dewberry
  • Rubus roribaccus — velvet-leaved dewberry
  • Rubus russeus — Halifax blackberry
  • Rubus segnis — Nova Scotia dewberry
  • Rubus semisetosus — New England blackberry
  • Rubus setosus — small bristleberry
  • Rubus severus — harsh dewberry
  • Rubus signatus — sphagnum dewberry
  • Rubus spectabilis — salmonberry
  • Rubus suppar — New Glasgow dewberry
  • Rubus tardatus — wet-thicket dewberry
  • Rubus trifrons — dewberry
  • Rubus ursinus
    Rubus ursinus
    Rubus ursinus is a species of blackberry or dewberry known by the common names California blackberry/dewberry, Douglas berry, and Pacific blackberry/dewberry. It is native to western North America. This is a wide, spreading shrub or vine-bearing bush with prickly branches that can tip layer to...

    — California blackberry
  • Rubus uvidus — Kalamazoo dewberry
  • Rubus vermontanus — Green Mountain blackberry
  • Rubus weatherbyi — Weatherby's dewberry
  • Rubus wheeleri — Wheeler's blackberry
  • Rubus x fraseri
  • Rubus x paracaulis
  • Sanguisorba annua
    Sanguisorba annua
    Sanguisorba annua is a species of flowering plant in the rose family known by the common names annual burnet and prairie burnet. It is native to North America, including many areas in western and central Canada and the United States. It can be found in several types of habitat, including grassland,...

    — prairie burnet
  • Sanguisorba canadensis
    Sanguisorba canadensis
    Sanguisorba canadensis, or Canadian burnet, is a perennial in the family Rosaceae native to North America, commonly growing in bogs, swamps, and roadsides from Labrador to Georgia. It grows 4–5 ft. tall, with creamy white flowers that grow in cylindrical spikes...

    — Canada burnet
  • Sanguisorba menziesii — Menzies' burnet
  • Sanguisorba occidentalis — annual burnet
  • Sanguisorba officinalis
    Sanguisorba officinalis
    Sanguisorba officinalis is a plant in the family Rosaceae, subfamily Rosoideae. It is native throughout the cooler regions of the Northern Hemisphere in Europe, northern Asia, and northern North America....

    — great burnet
  • Sibbaldia procumbens
    Sibbaldia procumbens
    Sibbaldia procumbens is a species of flowering plant in the rose family known by the common name creeping sibbaldia. It has a circumpolar distribution; it can be found throughout the northern latitudes of the Northern Hemisphere from Arctic regions into higher-elevation temperate areas...

    — Arizona cinquefoil
  • Sibbaldiopsis tridentata — three-toothed cinquefoil
  • Sorbus americana
    Sorbus americana
    The tree species Sorbus americana is commonly known as the American Mountain-ash. It is a relatively small deciduous perennial tree, native to eastern northern North America....

    — American mountain-ash
  • Sorbus decora
    Sorbus decora
    Sorbus decora, commonly known as the showy mountain-ash or "dogberry" is a deciduous shrub or very small tree native to northeastern North America. It occurs throughout the Great Lakes-St...

    — northern mountain-ash
  • Sorbus groenlandica — Greenland mountain-ash
  • Sorbus scopulina
    Sorbus scopulina
    Sorbus scopulina is a species of rowan that is native to western North America, primarily in the Rocky Mountains. The common name of this species is often given as 'Greene mountain-ash', and is so named in honor of American botanist Edward Lee Greene...

    — Greene's mountain-ash
  • Sorbus sitchensis
    Sorbus sitchensis
    Sorbus sitchensis, also known as Sitka Mountain-ash, is a small shrub of the western United States.-Description:A multistemmed shrub, it is indigenous to the Pacific Coast of North America, from Alaska to northern California and eastward to Idaho and western Montana.The otherwise similar Sorbus...

    — Sitka mountain-ash
  • Spiraea alba
    Spiraea alba
    Spiraea alba, commonly known as narrowleaf meadowsweet, pale bridewort, or pipestem, grows on wet soils of the Allegheny Mountains and other portions of eastern North America....

    — narrowleaf white meadowsweet
  • Spiraea betulifolia — white meadowsweet
  • Spiraea douglasii — Douglas' spiræa
  • Spiraea septentrionalis — northern meadowsweet
  • Spiraea splendens — rose meadowsweet
  • Spiraea stevenii — Steven's spiræa
  • Spiraea tomentosa — hardhack spiræa
  • Spiraea x pyramidata — pyramidal spiræa
  • Waldsteinia fragarioides
    Waldsteinia fragarioides
    Waldsteinia fragarioides , also called Barren strawberry, is a low, spreading plant with showy yellow flowers that appear in early spring...

    — barren strawberry
  • x Sorbaronia arsenii
  • x Sorbaronia jackii


Rubiaceae
Rubiaceae
The Rubiaceae is a family of flowering plants, variously called the coffee family, madder family, or bedstraw family. The group contains many commonly known plants, including the economically important coffee , quinine , and gambier , and the horticulturally valuable madder , west indian jasmine ,...

 

  • Cephalanthus occidentalis
    Cephalanthus occidentalis
    Cephalanthus occidentalis is a species of flowering plant in the coffee family, Rubiaceae, that is native to eastern and southern North America. Common names include Buttonbush, Common Buttonbush, Button-willow and Honey-bells....

    — common buttonbush
  • Galium aparine
    Galium aparine
    Galium aparine is a herbaceous annual plant of the family Rubiaceae. It is native to North America and Eurasia. It has several common names, including Cleavers, Clivers, Goosegrass, Stickywilly, Stickyjack, Stickyweed, Stickyleaf, Catchweed, Robin-run-the-hedge and Coachweed.-Growth:The long stems...

    — catchweed bedstraw
  • Galium asprellum — rough bedstraw
  • Galium bifolium
    Galium bifolium
    Galium bifolium is a species of flowering plant in the coffee family known by the common names twinleaf bedstraw and low mountain bedstraw. It is native to western North America from British Columbia to California to Colorado, where it grows in mountain forests and high-elevation plateaus. This is...

    — low mountain bedstraw
  • Galium boreale
    Galium boreale
    Galium boreale or Northern Bedstraw is a plant species of the genus Galium.Gallium boreale is edible, with a sweet smell and taste, and can be eaten as a wild salad green...

    — northern bedstraw
  • Galium brevipes — limestone swamp bedstraw
  • Galium circaezans — licorice bedstraw
  • Galium concinnum — shining bedstraw
  • Galium kamtschaticum — boreal bedstraw
  • Galium labradoricum — bog bedstraw
  • Galium lanceolatum — Torrey's wild licorice
  • Galium mexicanum — Mexican bedstraw

  • Galium multiflorum
    Galium multiflorum
    Galium multiflorum is a species of flowering plant in the coffee family known by the common names Kellogg's bedstraw, shrubby bedstraw, and manyflowered bedstraw. It is native to the mountains, desert slopes, and plateaus of eastern California and western Nevada, where it grows in rocky soils in...

    — many-flower bedstraw
  • Galium obtusum — bluntleaf bedstraw
  • Galium palustre
    Galium palustre
    Galium palustre is a herbaceous annual plant of the family Rubiaceae. This plant is native to Europe and North America and has several common names, including Common Marsh-bedstraw....

    — marsh bedstraw
  • Galium pilosum — hairy bedstraw
  • Galium tinctorium — stiff marsh bedstraw
  • Galium trifidum
    Galium trifidum
    Galium trifidum is a species of flowering plant in the coffee family known by the common name threepetal bedstraw. It is native to most of northern and western North America from Alaska eastern Canada to Mexico, where it grows in moist habitat...

    — small bedstraw
  • Galium triflorum
    Galium triflorum
    Galium triflorum is a herbaceous plant of the family Rubiaceae. It grows throughout the Northern Hemisphere. It exists in creeps along the forest floor, with whorled leaves and single fruiting peduncles rising above basal rosettes. There are six leaflets in a whorl below the peduncle...

    — sweetscent bedstraw
  • Houstonia caerulea
    Houstonia caerulea
    Houstonia caerulea is a perennial ornamental plant in the Rubiaceae family.-Description:...

    — Quaker-ladies
  • Houstonia canadensis — Canada bluets
  • Houstonia longifolia
    Houstonia longifolia
    Houstonia longifolia is a perennial plant in the family Rubiaceae. It can be found throughout most of the Eastern United States and Canada....

    — longleaf bluets
  • Mitchella repens
    Mitchella repens
    Mitchella repens , or Partridge Berry, or Squaw Vine, is the best known plant in the genus Mitchella.It is a creeping prostrate herbaceous woody shrub, occurring in North America and Japan, and belonging to the madder family ....

    — partridge-berry


Ruppiaceae
Ruppiaceae
Ruppia, also known as the ditch grasses, is the only genus in the family Ruppiaceae. Such a family has been recognized by relatively few taxonomists...

 

  • Ruppia cirrhosa
    Ruppia cirrhosa
    Ruppia cirrhosa is a species of aquatic plant known by the common name spiral ditchgrass. It is native to the Americas and Europe, where it grows in freshwater bodies, such as lakes. It is a thread-thin, grasslike perennial herb which grows from a rhizome anchored in the wet substrate. It produces...

    — widgeon-grass

  • Ruppia maritima
    Ruppia maritima
    Ruppia maritima is a species of aquatic plant known by the common name wigeongrass. Despite its Latin name, it is not a marine plant; is perhaps best described as a salt-tolerant freshwater species.-Distribution:...

    — ditch-grass


Rutaceae
Rutaceae
Rutaceae, commonly known as the rue or citrus family, is a family of flowering plants, usually placed in the order Sapindales.Species of the family generally have flowers that divide into four or five parts, usually with strong scents...

 

  • Ptelea trifoliata — common hoptree

  • Zanthoxylum americanum
    Zanthoxylum americanum
    Zanthoxylum americanum, the Common Prickly-ash, Common Pricklyash, Common Prickly Ash or Northern Prickly-ash , is an aromatic shrub or small tree native to central and eastern portions of the United States and Canada...

    — northern prickly-ash
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