A new circumscription for the common and widespread North American species Physcia subtilis, and description of a new species, P. thomsoniana

By

Esslinger, Theodore L.

Type

Article

Date of Publication

2017

Original Publication

Opuscula philolichenum

Volume

16

Pages

139--152

Contributed by

Harvard University Botany Libraries

Published by

Philadelphia J. Lendemer 2004-