John Robert Johnston

American botanist (1880-1953).

Abbreviations: J.R.Johnst.
Occupations: mycologist, botanist
Citizenships: United States
Languages: Spanish
Dates: 1880-01-01T00:00:00Z – 1953-01-01T00:00:00Z
Direct attributions: 17 plants, 20 fungi
Authorship mentions: 21 plants, 23 fungi

20 fungi attributed, 3 fungi contributed to23 fungi:

Rhopalogaster transversarius (Rhopalogaster Transversarium) (Bosc) J.R. Johnst. 1902
fungi species in the rhizopogonaceae family
Rhopalogaster is a genus of secotioid basidiomycetes. The genus is monotypic, and contains the single species Rhopalogaster transversarium, found in the USA. This fungus was originally described as new to science in 1811 by French botanist Louis Augustin Guillaume Bosc; Elias Magnus Fries transferred it to Cauloglossum in 1829. The genus was properly defined in 1902 by John Robert Johnston.
Cionothrix cupaniae Arthur & J.R. Johnst. 1918
fungi species in the pucciniosiraceae family
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Rhopalogaster J.R. Johnst. 1902
fungi genus in the rhizopogonaceae family
Rhopalogaster is a genus of secotioid basidiomycetes. The genus is monotypic, and contains the single species Rhopalogaster transversarium, found in the USA. This fungus was originally described as new to science in 1811 by French botanist Louis Augustin Guillaume Bosc; Elias Magnus Fries transferred it to Cauloglossum in 1829. The genus was properly defined in 1902 by John Robert Johnston.
Puccinia anthephorae (Syd. & P. Syd.) Arthur & J.R. Johnst. 1918
fungi species in the pucciniaceae family
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Puccinia striolata (Speg.) Arthur & J.R. Johnst. 1918
fungi species in the pucciniaceae family
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Puccinia invaginata Arthur & J.R. Johnst. 1918
fungi species in the pucciniaceae family
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Puccinia fuscella Arthur & J.R. Johnst. 1918
fungi species in the pucciniaceae family
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Puccinia barbatula Arthur & J.R. Johnst. 1918
fungi species in the pucciniaceae family
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Puccinia adenocalymmatis (Henn.) Arthur & J.R. Johnst. 1918
fungi species in the pucciniaceae family
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Verticicladium graminicola J.R. Johnst. & J.A. Stev. 1917
fungi species in the chorioactidaceae family
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Uredo saviae Arthur & J.R. Johnst. 1918
fungi species in the pucciniaceae family
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Uredo sapotae Arthur & J.R. Johnst. 1918
fungi species in the pucciniaceae family
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Torrubiella lecanii J.R. Johnst. 1918
fungi species in the cordycipitaceae family
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Septonema sacchari J.R. Johnst. & J.A. Stev. 1917
fungi species
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Periconia sacchari J.R. Johnst. 1917
fungi species in the order pleosporales
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Cronartium wilsonianum Arthur & J.R. Johnst. 1918
fungi species in the cronartiaceae family
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Cronartium notatum (Arthur) Arthur & J.R. Johnst. 1918
fungi species in the cronartiaceae family
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Aecidium simplicius Arthur & J.R. Johnst. 1918
fungi species in the pucciniaceae family
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Aecidium pisoniae Arthur & J.R. Johnst. 1918
fungi species in the pucciniaceae family
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Metarhizium anisopliae f. major J.R. Johnst. 1915
fungi form in the clavicipitaceae family
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Diabole cubensis (Arthur & J.R. Johnst.) Arthur 1922
fungi species in the raveneliaceae family
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Metarhizium majus (J.R. Johnst.) J.F. Bisch., S.A. Rehner & Humber 2009
fungi species in the clavicipitaceae family
Metarhizium majus is the name given to a group of fungal isolates that are known to be virulent against Scarabaeidae, a family of beetles. Previously, this species has had variety status in Metarhizium anisopliae (var. majus) and its name is derived from characteristically very large spores (typically 2.5–4 μm x 10–14 μm long) for the genus Metarhizium. There has been considerable interest in developing isolates of this species into mycoinsecticides: especially against the coconut and oil palm beetle pest Oryctes in SE Asia, the Pacific region and Africa. It is an anamorph, a suggested
Achrotelium lucumae (Arthur & J.R. Johnst.) Cummins 1940
fungi species in the chaconiaceae family
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