John Axel Nannfeldt
Encyclopedia
John-Axel Nannfeldt born 18 January 1904 in Trelleborg
and deceased 4 November 1985 in Uppsala
, was a Swedish botanist
and mycologist
.
Nannfeldt studied natural history
at the University of Uppsala and obtained a doctorate degree in 1932. He became professor of botany
at Uppsala University
in 1939, a position he held until his retirement in 1970. He did numerous studies on the systematics
og fungi and vascular plants. Among the groups he treated were the plant pathogen
ic rust fungi, smut fungi and Exobasidium
. He also treated taxonomy
and biogeography
of various groups of vascular plants, e.g. the arctic Poa laxa complex.
Nannfeldt published the exsiccate work Fungi Exsiccati Suecici, praesertim Upsalienses together with Lennart Holm and others.
He was elected member no. 983 of the Royal Swedish Academy of Sciences
in 1955.
The cup fungus
Plectania nannfeldtii
is named to his honour.
Trelleborg
Trelleborg is a locality and the seat of Trelleborg Municipality, Skåne County, Sweden with 25,643 inhabitants in 2005. It is the southernmost town in Sweden.-History:...
and deceased 4 November 1985 in Uppsala
Uppsala
- Economy :Today Uppsala is well established in medical research and recognized for its leading position in biotechnology.*Abbott Medical Optics *GE Healthcare*Pfizer *Phadia, an offshoot of Pharmacia*Fresenius*Q-Med...
, was a Swedish botanist
Botany
Botany, plant science, or plant biology is a branch of biology that involves the scientific study of plant life. Traditionally, botany also included the study of fungi, algae and viruses...
and mycologist
Mycology
Mycology is the branch of biology concerned with the study of fungi, including their genetic and biochemical properties, their taxonomy and their use to humans as a source for tinder, medicinals , food and entheogens, as well as their dangers, such as poisoning or...
.
Nannfeldt studied natural history
Natural history
Natural history is the scientific research of plants or animals, leaning more towards observational rather than experimental methods of study, and encompasses more research published in magazines than in academic journals. Grouped among the natural sciences, natural history is the systematic study...
at the University of Uppsala and obtained a doctorate degree in 1932. He became professor of botany
Botany
Botany, plant science, or plant biology is a branch of biology that involves the scientific study of plant life. Traditionally, botany also included the study of fungi, algae and viruses...
at Uppsala University
Uppsala University
Uppsala University is a research university in Uppsala, Sweden, and is the oldest university in Scandinavia, founded in 1477. It consistently ranks among the best universities in Northern Europe in international rankings and is generally considered one of the most prestigious institutions of...
in 1939, a position he held until his retirement in 1970. He did numerous studies on the systematics
Systematics
Biological systematics is the study of the diversification of terrestrial life, both past and present, and the relationships among living things through time. Relationships are visualized as evolutionary trees...
og fungi and vascular plants. Among the groups he treated were the plant pathogen
Pathogen
A pathogen gignomai "I give birth to") or infectious agent — colloquially, a germ — is a microbe or microorganism such as a virus, bacterium, prion, or fungus that causes disease in its animal or plant host...
ic rust fungi, smut fungi and Exobasidium
Exobasidium
Exobasidium is a genus of fungi in the Exobasidiaceae family. The genus has a widespread distribution, especially in northern temperate regions, and contains about 50 species. Many of the species in this genus are plant pathogens that grow on Ericaceae....
. He also treated taxonomy
Taxonomy
Taxonomy is the science of identifying and naming species, and arranging them into a classification. The field of taxonomy, sometimes referred to as "biological taxonomy", revolves around the description and use of taxonomic units, known as taxa...
and biogeography
Biogeography
Biogeography is the study of the distribution of species , organisms, and ecosystems in space and through geological time. Organisms and biological communities vary in a highly regular fashion along geographic gradients of latitude, elevation, isolation and habitat area...
of various groups of vascular plants, e.g. the arctic Poa laxa complex.
Nannfeldt published the exsiccate work Fungi Exsiccati Suecici, praesertim Upsalienses together with Lennart Holm and others.
He was elected member no. 983 of the Royal Swedish Academy of Sciences
Royal Swedish Academy of Sciences
The Royal Swedish Academy of Sciences or Kungliga Vetenskapsakademien is one of the Royal Academies of Sweden. The Academy is an independent, non-governmental scientific organization which acts to promote the sciences, primarily the natural sciences and mathematics.The Academy was founded on 2...
in 1955.
The cup fungus
Cup fungus
The Pezizaceae are a family of fungi in the Ascomycota which produce mushrooms that tends to grow in the shape of a "cup". Spores are formed on the inner surface of the fruit body . The cup shape typically serves to focus raindrops into splashing spores out of the cup...
Plectania nannfeldtii
Plectania nannfeldtii
Plectania nannfeldtii, commonly known as Nannfeldt's Plectania, the black felt cup, or the black snowbank cup fungus, is a species of fungus in the family Sarcosomataceae. The fruit bodies of this species resemble small, black, goblet-shaped shallow cups up to wide, with stems up to long attached...
is named to his honour.