Caloplaca flavovirescens
Sulphur Firedot
Sulphur firedot is common in much of North America. Identification: This lichen prefers calcium-rich rocks, as well as unpainted concrete, which is rich in calcium. It is yellow or yellow-orange in color, and its apothecia (fruiting structures) are dark orange, with yellow borders. Online References:
Caloplaca flavovirescens on the Stridvall Family Domain Caloplaca flavovirescens on Stephen Sharnoff Photography Caloplaca flavovirescens on Discover Life References:
Walewski, Joe, Lichens of the North Woods, Kollath+Stensaas Publishing, 2007, p. 58 Caloplaca flavovirescens description by Thomas H. Kent, last updated 16 Aug 2013. © FloraFinder.org. All rights reserved. |
Orange: Xanthoria elegans; yellow: Caloplaca flavovirescens. · 12/3/2005 · ME
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