Rostraria
Encyclopedia
Rostraria is a genus
Genus
In biology, a genus is a low-level taxonomic rank used in the biological classification of living and fossil organisms, which is an example of definition by genus and differentia...

 of annual grass
Poaceae
The Poaceae is a large and nearly ubiquitous family of flowering plants. Members of this family are commonly called grasses, although the term "grass" is also applied to plants that are not in the Poaceae lineage, including the rushes and sedges...

es, which are native to Eurasia
Eurasia
Eurasia is a continent or supercontinent comprising the traditional continents of Europe and Asia ; covering about 52,990,000 km2 or about 10.6% of the Earth's surface located primarily in the eastern and northern hemispheres...

 and North Africa
North Africa
North Africa or Northern Africa is the northernmost region of the African continent, linked by the Sahara to Sub-Saharan Africa. Geopolitically, the United Nations definition of Northern Africa includes eight countries or territories; Algeria, Egypt, Libya, Morocco, South Sudan, Sudan, Tunisia, and...

 and widely naturalised elsewhere.

There are around 10 currently recognised species, including:
  • Rostraria clarkeana (Domin) Holub
  • Rostraria cristata
    Rostraria cristata
    Rostraria cristata is an annual grass species which is native to Eurasia and widely naturalised elsewhere....

    (Linn.) Tzvelev
  • Rostraria pumila (Desf.) Tzvelev
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