Trapeliopsis pseudogranulosa Coppins & P. James

Similar in appearance and ecology to T. gelatinosa. It more commonly grows on organic substrates, as epiphytic, epibryophytic or lignicolous. It is well recognizable due to characteristic orange pigments (antraquinones), but they are sometimes missing. Those underdeveloped specimens are difficult to distinguish from e. g., T. viridescens, which also contains gyrophoric acid (soralia C+ red). Trapelipsis pseudogranulosa is quite common in more humid areas all over the Czech Republic. Regionally, for example in certain parts of Northern Bohemia, it is a common epiphyte on acidic tree bark at river banks in shaded valleys. It survived successfully even in heavily polluted areas.

taxonomic classification:

Ascomycota Lecanoromycetes Trapeliales Trapeliaceae Trapeliopsis



Red List (Liška & Palice 2010):LC – least concern

Occurrence in the Czech Republic

All records: 440, confirmed 258. One click on a selected square displays particular record(s), including their source(s).

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Altitude preferences

Distribution Timeline

Substrate type

Substrate preferences

© Botanický ústav AV ČR, v. v. i. 2020–2023