A phylogenetic analysis recovered Acarospora oreophila in the monophyletic Trimmatothelopsis clade and a new combination was made. Trimmatothelopsis oreophila is closely related to T. terricola. Acarospora benedarensis and A. sphaerosperma are transferred to Trimmatothelopsis based on morphological and anatomical analyses. Globose apothecia with the disc usually less 0.5 mm in diam., a high hymenium, narrow paraphyses, and long conidia (3–6 × 1–1.5 µm) are diagnostic characters of the genus. Five species occur in North America.
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14 May 2021
Three species of Trimmatothelopsis (Acarosporaceae) from Europe and North America
Kerry Knudsen,
Jana Kocourková,
Eva Hodková,
J. N. Adams,
Y. Wang
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The Bryologist
Vol. 124 • No. 2
Summer 2021
Vol. 124 • No. 2
Summer 2021
calciphytes
California
terricolous lichens
Trimmatothelopsis versipellis