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3 February 2022 Sarcogyne similis (Acarosporaceae) produces psoromic acid and is confirmed to be widespread in North America
James C. Lendemer, Frank Bungartz, Caleb Morse, Erin A. Manzitto-Tripp
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Abstract

Sarcogyne similis is found to produce psoromic acid, a substance previously known from only one other species in the family Acarosporaceae. Study of more than one hundred specimens from throughout the range of S. similis confirms the species is widely distributed from Nova Scotia, Canada, south throughout much of the eastern United States, and westward through the Sonoran Desert to southern California, where it occurs on non-calcareous rocks, especially sandstone. The recently proposed synonymy with S. reebiae is confirmed. Sarcogyne similis f. convexa is lectotypified with material that contains psoromic acid. The type of S. californica, currently treated as a synonym of S. similis, does not produce psoromic acid and may belong to a separate taxon. The distribution of S. dakotensis, which produces norstictic acid, appears to be nearly allopatric with S. similis.

Copyright ©2022 by The American Bryological and Lichenological Society, Inc.
James C. Lendemer, Frank Bungartz, Caleb Morse, and Erin A. Manzitto-Tripp "Sarcogyne similis (Acarosporaceae) produces psoromic acid and is confirmed to be widespread in North America," The Bryologist 125(1), 91-101, (3 February 2022). https://doi.org/10.1639/0007-2745-125.1.091
Received: 29 October 2021; Accepted: 23 December 2021; Published: 3 February 2022
KEYWORDS
biogeography
Endemism
nomenclature
para-phenylenediamine
spot tests
Typification
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