John Axel Nannfeldt

Swedish botanist (1904-1985).

John-Axel Nannfeldt (baptized Johan Axel Frithiof 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 of fungi and vascular plants. Among the groups he treated were the plant pathogenic rust fungi, smut fungi and Exobasidium. He also treated taxonomy and biogeography

Abbreviations: Nannf.
Occupations: university teacher, scientific collector, mycologist, docent, botanist, botanical collector
Citizenships: Sweden
Languages: Swedish
Dates: 1904-01-18T00:00:00Z – 1985-11-04T00:00:00Z
Birth place: Trelleborg
Direct attributions: 19 plants, 274 fungi
Authorship mentions: 39 plants, 298 fungi

274 fungi attributed, 24 fungi contributed to298 fungi:

Panaeolus semiovatus (Shiny Mottlegill) (Sowerby) S. Lundell & Nannf. 1938
fungi species in the galeropsidaceae family
Panaeolus semiovatus var. semiovatus, also known as P. semiovatus and Anellaria separata, and commonly known as the ringed panaeolus, is a medium-sized buff-colored mushroom with black spores that grows on dung.
Diaporthales Nannf. 1932
fungi order in the class sordariomycetes
Diaporthales is an order of sac fungi. Wijayawardene et al. in 2020 added a number of name families to the order. Diaporthales includes a number of plant pathogenic fungi, the most notorious of which is Cryphonectria parasitica (Murrill) Barr, the chestnut blight fungus that altered the landscape of eastern North America. Other diseases caused by members of this order include stem canker of soybeans (Diaporthe phaseolorum (Cooke & Ellis) Sacc. and its varieties), stem-end rot of citrus fruits (Diaporthe citri F.A. Wolf), and peach canker disease (Phomopsis amygdali Del.). Some species produce
Ophiostoma ulmi (Dutch Elm Disease) (Buisman) Nannf. 1934
fungi species in the ophiostomataceae family
Ophiostoma ulmi is a species of fungus in the family Ophiostomataceae. It is one of the causative agents of Dutch elm disease. It was first described under the name Graphium ulmi, and later transferred to the genus Ophiostoma. Dutch elm disease originated in Europe in the early 1900s. Elm trees were once an ecologically valuable tree that dominated mixed broadleaf forests, floodplains, and low areas near rivers and streams. They were planted in urban settings because of their aesthetic appeal and their ability to provide shade due to their V like shape. An outbreak of Dutch elm disease in the
Stropharia hornemannii (Conifer Roundhead) (Fr.) S. Lundell & Nannf. 1934
edible fungi species in the strophariaceae family
Stropharia hornemannii, commonly known as the luxuriant ringstalk or lacerated stropharia, is a species of agaric fungus in the family Strophariaceae. The fungus produces distinctive mushrooms with caps up to 12 cm wide, which range from greyish-brown with purplish tints to reddish-brown, featuring a hanging ring on the stipe and gills that change from greyish-violet to dark purple-brown as they mature.
Ostropales (Script Lichens) Nannf. 1932
fungi order in the class lecanoromycetes
The Ostropales are an order of fungi in the class Lecanoromycetes. The order was circumscribed by Swedish botanist John Axel Nannfeldt in 1932. The order contains 4 families and 46 genera, including 6 genera of uncertain familial placement.
Hyaloscyphaceae Nannf. 1932
fungi family in the order helotiales
The Hyaloscyphaceae are a family of fungi in the Helotiales order. Species in this family have a cosmopolitan distribution, and are saprobic, growing on dead wood and other plant matter.
Orbiliaceae Nannf. 1932
fungi family in the order orbiliales
The Orbiliaceae are a family of saprobic sac fungi. It is the only family in the monotypic class Orbiliomycetes and the monotypic order Orbiliales. The family was first described by John Axel Nannfeldt in 1932 and now contains 288 species in 12 genera. Members of this family have a widespread distribution, but are more prevalent in temperate regions. Some species in the Orbiliaceae are carnivorous fungi, and have evolved a number of specialized mechanisms to trap nematodes.
Helvella costifera Nannf. 1953
fungi species in the helvellaceae family
Helvella costifera is a species of fungus in the family Helvellaceae. It produces distinctive cup-shaped fruiting bodies supported by a ribbed stalk. The fungus features greyish to greyish-brown caps with prominent yellowish-white ribs that extend from the hollow stalk and branch into forks on the cup's undersurface. First described scientifically in 1953, H. costifera has a widespread distribution across Europe, Asia, and North America, including China, Spain, Scandinavia, and Mexico.
Coronophorales Nannf. 1932
fungi order in the class sordariomycetes
The Coronophorales are an order of fungi in the class Sordariomycetes. According to a 2008 estimate, the order consisted of 4 families, 26 genera, and 87 species. This was changed in 2020, it then had 6 families, with 46 genera.
Lasiosphaeriaceae Nannf. 1932
fungi family in the order sordariales
The Lasiosphaeriaceae are a family of fungi in the Ascomycota, class Sordariomycetes.
Sowerbyella Nannf. 1938
fungi genus in the pyronemataceae family
Sowerbyella is a genus of fungi in the family Pyronemataceae. The genus has a widespread distribution, and contains 17 species found mostly in Europe and China. The genus was circumscribed by John Axel Nannfeldt in Svensk Bot. Tidskr. vol.32 on page 118 in 1938. The genus name of Sowerbyella is in honour of James Sowerby (1757–1822), who was an English naturalist, illustrator and mineralogist.
Ophiostomataceae Nannf. 1932
fungi family in the order ophiostomatales
The Ophiostomataceae are a family of fungi in the Ascomycota, class Sordariomycetes. The family was circumscribed by J.A. Nannfeldt in 1932. Species in the family have a widespread distribution, and are typically found in temperate regions, as pathogens of both coniferous and deciduous trees.
Galiella rufa (Hairy Rubber Cup) (Schwein.) Nannf. & Korf 1957
fungi species in the sarcosomataceae family
Galiella rufa, commonly known as the rubber cup, the rufous rubber cup, or the hairy rubber cup, is a species of fungus in the family Sarcosomataceae. It produces cup-shaped fruit bodies with the texture of tough, gelatinous rubber, with a rough, blackish-brown, felt-like outer surface and a smooth reddish-brown inner surface. Found throughout eastern and Midwest North America as well as in Malaysia, the fruit bodies typically grow in clusters on branches and exposed portions of buried wood. Although generally considered inedible by North American mushroom field guides, the species is
Cumminsiella mirabilissima (Mahonia Rust) (Peck) Nannf. 1947
fungi species in the pucciniaceae family
Visit the page for more details.
Wynnella silvicola Nannf. 1966
fungi species in the helvellaceae family
Wynnella silvicola is a species of fungus in the family Helvellaceae, order Pezizales. It was described by Günther Beck von Mannagetta und Lerchenau in 1884. The fungus forms distinctive upright fruit bodies 5–10 centimetres high, with a deep blood-red to purple-brown spore-bearing surface contrasting with a smooth outer surface that is reddish brown above and pale yellow at the base. It grows in coniferous and occasionally oak woodlands on calcareous soils across Europe and North America, with only a single confirmed record in Britain from an early 20th-century collection at Roslin,
Sowerbyella radiculata (Sowerby) Nannf. 1938
fungi species in the pyronemataceae family
Sowerbyella radiculata is a species of apothecial fungus belonging to the family Pyronemataceae. The typical form appears as yellowish cups up to 5 cm (2.0 in) in diameter usually on soil close to coniferous trees. A distinctive form, var. kewensis, is usually larger (up to 10 cm (3.9 in) across) and often associated with broad-leaved trees. This is an uncommon European species.
Helvella cupuliformis Dissing & Nannf. 1966
fungi species in the helvellaceae family
Helvella cupuliformis is a species of fungus in the family Helvellaceae of the order Pezizales, described in 1966.
Sarcodon leucopus (Pers.) Maas Geest. & Nannf. 1969
fungi species in the bankeraceae family
Sarcodon leucopus is a species of tooth fungus in the family Bankeraceae. It is found in Asia and Europe, where it grows in association with pine trees. The fungus produces a pale brown fruiting body up to 20 cm across, with thin downward-pointing spines on its underside that start whitish and age to purplish-brown. It is considered near-threatened by the IUCN and endangered in Switzerland.
Ramularia rubella (Red Dock Spot) (Bonord.) Nannf. 1950
fungi species in the mycosphaerellaceae family
Ramularia rubella is a plant pathogen in Ascomycota that infects Rumex species. Infection produces reddish spots on leaves. The red color is caused by the production of rubellin, a photodynamic anthraquinone-derived phytotoxin. R. rubella was originally described from Rumex aquaticus in Germany; it has a wide geographic range on Rumex species. It is being investigated as a biological control agent of Rumex obtusifolius.
Nitschkiaceae (Fitzp.) Nannf. 1932
fungi family in the order coronophorales
The Nitschkiaceae are a family of fungi in the Ascomycota, order Coronophorales. Species in the family are mostly saprobic on wood, although some grow on lichens.
Galiella Nannf. & Korf 1957
fungi genus in the sarcosomataceae family
Galiella is a genus of fungi in the family Sarcosomataceae. The genus is widely distributed in northern temperate regions, and according to one estimate, contains eight species.
Exobasidium splendidum Nannf. 1981
fungi species in the exobasidiaceae family
Visit the page for more details.
Exobasidium pachysporum Nannf. 1981
fungi species in the exobasidiaceae family
Visit the page for more details.
Exobasidium expansum (Northern Bilberry Redleaf) Nannf. 1981
fungi species in the exobasidiaceae family
Visit the page for more details.
Pyrenopeziza petiolaris (Alb. & Schwein. ex Fr.) Nannf. 1932
fungi species in the ploettnerulaceae family
Visit the page for more details.
Plectania rhytidia (Berk.) Nannf. & Korf 1957
fungi species in the sarcosomataceae family
Plectania rhytidia is a species of fungus in the family Sarcosomataceae. Originally described under the name Peziza rhytidia by Miles Joseph Berkeley in 1855, the species was transferred to Plectania by mycologists John Axel Nannfeldt and Richard P. Korf in 1957.
Lachnum apalum (Rush Disco) (Berk. & Broome) Nannf. 1936
fungi species in the lachnaceae family
Visit the page for more details.
Exobasidium juelianum (Dwarfing Redleaf) Nannf. 1981
fungi species in the exobasidiaceae family
Visit the page for more details.
Dibeloniella Nannf. 1932
fungi genus in the mollisiaceae family
Dibeloniella is a genus of fungi in the family Dermateaceae.
Tranzschelia anemones (Wood Anemone Rust Fungus) (Pers.) Nannf. 1939
fungi species in the tranzscheliaceae family
Visit the page for more details.
0
Your shopping cart:
Nothing in your cart yet!Add a device?
ItemCountTotal
$
Log in to load your saved addresses.
< Back to Overview
Loading shipping options...
< Back to Address
Log in to load your saved payment methods.
Pay by Credit Card
or direct bank debit
Purchase Order
Pay by wire or bank transfer
After you confirm your order, we'll email you an invoice and all bank details to complete your purchase.
< Back to Shipping
Processing... Creating order Confirming inventory Processing payment Acquiring shipping Final confirmation (Cleaning up)
Order confirmed!
Summary
Devices$ 0
Plants$ 0
ShippingNot yet calculated
TaxesNot yet calculated
Total$ 0
Address
Shipping
Payment
Start Checkout