John Axel Nannfeldt

John Axel Nannfeldt
Born	1904 Trelleborg
Died	1985 Uppsala
Nationality	Sweden
Fields	mycology, botany
Institutions	Uppsala University
Alma mater	Uppsala University
Author abbreviation (botany)	Nannf.
Signature

John-Axel Nannfeldt (baptized Johan Axel Frithiof Nannfeldt), born 18 January 1904 in Trelleborg and deceased 4 November 1985 in Uppsala,^[1] was a Swedish botanist and mycologist.

Nannfeldt studied natural history at the University of Uppsala and obtained a doctorate degree in 1932.^[2] He became professor of botany at Uppsala University in 1939, a position he held until his retirement in 1970.^[1] He did numerous studies on the systematics og fungi and vascular plants. Among the groups he treated were the plant pathogenic rust fungi,^[3] smut fungi^[4] and Exobasidium.^[5] He also treated taxonomy and biogeography of various groups of vascular plants, e.g. the arctic Poa laxa complex.^[6]

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 standard author abbreviation Nannf. is used to indicate this individual as the author when citing a botanical name.^[7]

The cup fungus Plectania nannfeldtii is named to his honour.

References

1. ^ ^{a b} F. A. S. (1986). "Death notices". Taxon 35 (2): 467. JSTOR 1221342. 
2. ^ Nannfeldt, J. A. (1932). Studien über die Morphologie und Systematik der nicht-lichenisierten inoperculaten Discomyceten (Thesis, Uppsala University). Nova acta Regiae societatis scientiarum upsaliensis - Ser. 4. v. 8, no. 2. Almqvist & Wiksell. pp. 368. http://openlibrary.org/b/OL19635639M/Studien_über_die_Morphologie_und_Systematik_der_nicht-lichenisierten_inoperculaten_Discomyceten. 
3. ^ Hylander, N.; I. Jørstad, J. A. Nannfeldt (1953). Enumeratio Uredinearum Scandinavicarum. Opera Botanica. 1. pp. 1–102. 
4. ^ Nannfeldt, J. A. (1977). "The species of Anthracoidea (Ustilaginales) on Carex subgen. Vignea with special regard to the Nordic species". Botaniska Notiser 130: 351–375. 
5. ^ Nannfeldt, J. A. (1981). "Exobasidium, a taxonomic reassessment applied to the European species". Symbolae Botanicae Upsalienses 23: 1–72. 
6. ^ Nannfeldt, J. A. (1963). "Taxonomic differentiation as an indicator of the migratory history of the North Atlantic Flora with special regard to the Scandes". In Löve, Á.; Löve, D.. North Atlantic Biota and their History: A symposium held at University of Iceland, Reykjavík July 1962. Oxford: Pergamon Press. http://www.archive.org/stream/northatlanticbio00sk#page/86/mode/2up/search/nannfeldt. 
7. ^ "Author Query". International Plant Names Index. http://www.ipni.org/ipni/authorsearchpage.do. 

External links

• Portraits, list of publications etc.

Persondata
Name	Nannfeldt, John Axel
Alternative names
Short description
Date of birth	1904
Place of birth	Trelleborg
Date of death	1985
Place of death	Uppsala