Heppia conchiloba
Heppia conchiloba (common soil ruby) is a gray to light brown squamulous to foliose terricolous (grows on soil) lichen that in southwestern deserts of North America. The surface appears as if covered in a light dust (pruinose).[1][2] The squamules are peltate (like shields attached from the lower surface), up to 8 mm in diameter.[1] There are one to several apothecia per lobe, with reddish-brown urn shaped (urceolate) to concave discs, immersed so as to appear like concave spots.[1][2] Lichen spot tests are all negative. Its entire thallus body is deeply convex, and it is different in color from other members of Heppia and or Peltula, which are olive or brownish-olive.[1]
| Heppia conchiloba | |
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| Species: | H. conchiloba |
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| Heppia conchiloba Zahlbr. (1902) | |
References
- Nash, TH; Ryan, BD; Gries, C; Bugartz, F, eds. (2002). Lichen Flora of the Greater Sonoran Desert Region, Volume 1. Arizona State University. p. 205 .
- Sharnoff, Stephen (2014). Field Guide to California Lichens. Yale University Press. pp. 272–3. ISBN 978-0-300-19500-2.
External links
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