Peter R. Johnston

New zealand mycologist (1952 - ).

Abbreviations: P.R.Johnst.
Occupations: scientific collector, mycologist, taxonomist, botanical collector
Citizenships: New Zealand
Dates: 1952-01-01T00:00:00Z
Direct attributions: 0 plants, 271 fungi
Authorship mentions: 0 plants, 279 fungi

271 fungi attributed, 8 fungi contributed to279 fungi:

Psilocybe makarorae P.R. Johnst. & P.K. Buchanan 1995
fungi species in the hymenogastraceae family
Psilocybe makarorae is a species of psilocybin mushroom in the family Hymenogastraceae. Officially described as new to science in 1995, it is known only from New Zealand, where it grows on rotting wood and twigs of southern beeches. The fruit body (mushroom) has a brownish cap with lighter coloured margins, measuring up to 3.5 cm (1.4 in) wide. The cap shape is either conical, bell-shaped, but as the mushroom grows, it expands to become convex, and it features a prominent umbo. Although the whitish stipe does not form a true ring, it retains remnants of the partial veil that covers and
Hypocreopsis amplectens (Tea-tree Fingers) T.W. May & P.R. Johnst. 2007
critically endangered fungi species in the hypocreaceae family
Hypocreopsis amplectens is part of the family Hypocreaceae and genus Hypocreopsis, a group of fungi that form ascomata on the stems of trees and shrubs. The ascomata are orange-brown and consist of radiating, perithecial lobes. This species of Hypocreopsis was only discovered in 1992 in Nyora (Victoria) during a botanical survey.
Pureke zelandicum (Pureke) P.R. Johnst. 1991
fungi species in the rhytismataceae family
Pureke is a genus of fungi within the Rhytismataceae family. This is a monotypic genus, containing the single species Pureke zelandicum.
Hypohelion P.R. Johnst. 1990
fungi genus in the rhytismataceae family
Hypohelion is a genus of fungi within the Rhytismataceae family. The genus contains two species.
Favolaschia cyatheae P.R. Johnst. 2006
fungi species in the mycenaceae family
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Rhytidiella hebes P.R. Johnst. 2007
fungi species in the cucurbitariaceae family
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Puccinia embergeriae McKenzie & P.R. Johnst. 2004
fungi species in the pucciniaceae family
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Favolaschia austrocyatheae P.R. Johnst. 2006
fungi species in the mycenaceae family
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Coccomyces clavatus P.R. Johnst. 1986
fungi species in the rhytismataceae family
Coccomyces clavatus is a species of foliicolous fungus found on fallen phylloclades of Phyllocladus alpinus in New Zealand. The ascocarps are angular, up to 0.8 mm in diameter, forming within pale yellow lesions. The asci have a broad apex and the paraphyses are unbranched. This species is very similar to Coccomyces phyllocladi, found on the same host, and can only be distinguished by the smaller, clavate ascospores.
Chlorociboriaceae Baral & P.R. Johnst. 2015
fungi family in the order helotiales
The Chlorociboriaceae are a family of "cup fungi" in the order Helotiales, with type genus Chlorociboria. A second genus Brahmaculus, which occurs only in the southern hemisphere (including Chile, New Zealand and Australia), was added in 2021.
Chlorociboria spiralis P.R. Johnst. 2005
fungi species in the chlorociboriaceae family
Chlorociboria spiralis is a species of fungus in the family Chlorociboriaceae. It is found in New Zealand.
Chlorociboria spathulata P.R. Johnst. 2005
fungi species in the chlorociboriaceae family
Chlorociboria spathulata is a species of fungus in the family Chlorociboriaceae. It is found in New Zealand. It is a species of green algae that is commonly found on dead and decaying wood. It is sometimes referred to as "green stain fungi" because of the green pigment it produces, which can stain wood a distinctive shade of green. The species is often used as a model organism in studies of wood decay and wood-rotting fungi.
Chlorociboria procera P.R. Johnst. 2005
fungi species in the chlorociboriaceae family
Chlorociboria procera is a species of fungus in the family Chlorociboriaceae. It is found in New Zealand.
Chlorociboria poutoensis P.R. Johnst. 2005
fungi species in the chlorociboriaceae family
Chlorociboria poutoensis is a species of fungus in the family Chlorociboriaceae. It is found in New Zealand.
Chlorociboria pardalota P.R. Johnst. 2005
fungi species in the chlorociboriaceae family
Chlorociboria pardalota is a species of fungus in the family Chlorociboriaceae. It is found in New Zealand.
Chlorociboria macrospora P.R. Johnst. 2005
fungi species in the chlorociboriaceae family
Chlorociboria macrospora is a species of fungus in the family Chlorociboriaceae. It is found in New Zealand.
Chlorociboria halonata P.R. Johnst. 2005
fungi species in the chlorociboriaceae family
Chlorociboria halonata is a species of fungus in the family Chlorociboriaceae. It is found in New Zealand.
Chlorociboria duriligna P.R. Johnst. 2005
fungi species in the chlorociboriaceae family
Chlorociboria duriligna is a species of fungus in the family Chlorociboriaceae. It lives in New Zealand.
Chlorociboria colubrosa P.R. Johnst. 2005
fungi species in the chlorociboriaceae family
Chlorociboria colubrosa is a species of fungus in the family Chlorociboriaceae. It is found in New Zealand.
Chlorociboria clavula P.R. Johnst. 2005
fungi species in the chlorociboriaceae family
Chlorociboria clavula is a species of fungus in the family Chlorociboriaceae. It is found in New Zealand.
Chlorociboria campbellensis P.R. Johnst. 2005
fungi species in the chlorociboriaceae family
Chlorociboria campbellensis is a species of fungus in the family Chlorociboriaceae. It is found in New Zealand.
Chlorociboria awakinoana P.R. Johnst. 2005
fungi species in the chlorociboriaceae family
Chlorociboria awakinoana is a species of fungus in the family Chlorociboriaceae. It is found in New Zealand.
Chlorociboria albohymenia P.R. Johnst. 2005
fungi species in the chlorociboriaceae family
Chlorociboria albohymenia is a species of fungus in the family Chlorociboriaceae. It is found in New Zealand.
Bivallum P.R. Johnst. 1991
fungi genus in the rhytismataceae family
Bivallum is a genus of fungi within the Rhytismataceae family. The genus contains six species.
Vizella metrosideri P.R. Johnst. 2000
fungi species in the vizellaceae family
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Terriera stevensii P.R. Johnst. 2001
fungi species in the rhytismataceae family
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Terriera samuelsii P.R. Johnst. 2003
fungi species in the rhytismataceae family
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Terriera sacchari (Lyon) P.R. Johnst. 2001
fungi species in the rhytismataceae family
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Terriera pandani (Tehon) P.R. Johnst. 2001
fungi species in the rhytismataceae family
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Terriera nematoidea (P.R. Johnst.) P.R. Johnst. 2001
fungi species in the rhytismataceae family
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