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1 June 2003 What is the Lichen Parmelia graminicola B. de Lesd.?
Robert S. Egan
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Abstract

The lichen Punctelia semansiana, common and widely distributed in North America and differing from P. hypoleucites by conidial size and substrate ecology, is identical to P. graminicola (B. de Lesd.) Egan, comb. nov. Authentic material of the older epithet, thought to have been destroyed but recently discovered at New Mexico's College of Santa Fe, permits the nomenclatural correction.

Robert S. Egan "What is the Lichen Parmelia graminicola B. de Lesd.?," The Bryologist 106(2), 314-316, (1 June 2003). https://doi.org/10.1639/0007-2745(2003)106[0314:WITLPG]2.0.CO;2
Received: 15 November 2002; Accepted: 1 February 2003; Published: 1 June 2003
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