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Notes on Nearctic Hepaticae, XVII. Lophozia decolorans, New to North America and the Subgenus Isopaches
R. M. Schuster
Vol. 98, No. 2 (Summer, 1995), pp. 246-250
Published by: American Bryological and Lichenological Society
Stable URL: http://www.jstor.org/stable/3243311
Page Count: 5
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The rare species Lophozia (Isopaches) decolorans (Limpr.) Steph., previously known only from alpine and arctic regions of Europe is reported for western North America. A key to the three holarctic taxa in the subgenus Isopaches (Buch) Schust. is presented. The ecology of L. decolorans is discussed, and the scattered and in part contradictory literature is assessed. The ability to tolerate windswept and intermittently desiccated sites suggests the species may have survived the Pleistocene north of areas of continental glaciation and in ice-free corridors situated (in North America) between the major eastern and western ice sheets.
The Bryologist © 1995 American Bryological and Lichenological Society