File:Rhizocarpon concentricum-5.jpg

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Rhizocarpon_concentricum-5.jpg (735 × 485 pixels, file size: 75 KB, MIME type: image/jpeg)

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Description Rhizocarpon concentricum (Davies) Beltr., 1858 (photograph of a herbarium specimen) Growing on sandstone in exposed area along Muddy Creek at Swallow Falls State Forest, Garrett County, Maryland, USA; collected and identifed by A. Norden and B. Norden (No. LH-250, 24 Jun 1974); specimen is now in the Lichen Herbarium of the New York Botanical Garden. [Porpidia crustulata also has concentrically arranged apothecia; however, P. crustulata has large colorless 1-celled spores, while Rhizocarpon concentricum has large colorless muriform spores.]
Date 18 June 2007 (upload date)
Source self-made (Photographed by me, Ed Uebel)
Author Ed Uebel

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GNU head Permission is granted to copy, distribute and/or modify this document under the terms of the GNU Free Documentation License, Version 1.2 or any later version published by the Free Software Foundation; with no Invariant Sections, no Front-Cover Texts, and no Back-Cover Texts. A copy of the license is included in the section entitled GNU Free Documentation License.
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current09:48, 18 June 2007Thumbnail for version as of 09:48, 18 June 2007735 × 485 (75 KB)Ed Uebel~commonswiki (talk | contribs){{Information |Description='''''Rhizocarpon concentricum''''' (Davies) Beltr., 1858 (photograph of a herbarium specimen) Growing on sandstone in exposed area along Muddy Creek at Swallow Falls State Forest, Garrett County, Maryland, USA; collected and ide

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