2017
DOI: 10.1017/s0024282916000682
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Lectotypification of Umbilicaria torrefacta (Lightf. ) Schrad.

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Cited by 2 publications
(1 citation statement)
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“…Umbilicaria torrefacta 1s considered rare elsewhere in the Great Lakes Basin (Fryday & Wetmore 2002, MDNR 2018. It can be distinguished from other species of Umbilicaria in Ontario by the combination of its non-pruinose umbilicate, monophyllous thallus with margins that are finely dissected to perforate, that coalesce into deep groves giving it vernacular names such as 'punctured rocktripe' or 'perforated rocktripe', and a light or dark brown lower surface with distinct trabeculae, lamellae radiating from the umbilicus, and scattered or dense rhizinomorphs (Hestmark 2017, Hinds & Hinds 2007.…”
Section: Lepraria Cryophila Lendemermentioning
confidence: 99%
“…Umbilicaria torrefacta 1s considered rare elsewhere in the Great Lakes Basin (Fryday & Wetmore 2002, MDNR 2018. It can be distinguished from other species of Umbilicaria in Ontario by the combination of its non-pruinose umbilicate, monophyllous thallus with margins that are finely dissected to perforate, that coalesce into deep groves giving it vernacular names such as 'punctured rocktripe' or 'perforated rocktripe', and a light or dark brown lower surface with distinct trabeculae, lamellae radiating from the umbilicus, and scattered or dense rhizinomorphs (Hestmark 2017, Hinds & Hinds 2007.…”
Section: Lepraria Cryophila Lendemermentioning
confidence: 99%