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Flavoparmelia caperata

Flavoparmelia caperata (L.) Hale

Parmelia caperata (L.) Ach.

Parmelia cylisphora (Ach.) Vain.

Parmelia flavicans (Tuck.) Tuck.

Parmelia herreana Zahlbr.

Parmelia negativa Gyel.

Pseudoparmelia caperata (L.) Hale

Common Greenshield, Flavoparmelia Lichen

ParentsUnknownGenus is not in the current taxonomy
GenusFlavoparmelia
Speciescaperata

About plant names...

Here in Massachusetts, I see more of these lichens than any others. I haven’t found a range map yet, but as nearly as I can tell, they occur worldwide.

Identification: This widespread lichen grows in circular patches on \[tree bark], and sometimes on rock. It is a pale yellow green color on top, and black below (pale brown on the edges). It is foliose (leaflike), with rounded, overlapping lobes. The apothecia (fruiting bodies) are goblet-shaped, and up to about ¼" (6.3 mm) in diameter, but they are not present very often.

Online References:

Flavoparmelia caperata at the Island Creek Elementary School's Study of Northern Virginia Ecology

Flavoparmelia caperata on Discover Life

Flavoparmelia caperata on CalPhotos

Flavoparmelia caperata on Macrolichens of North America

Flavoparmelia caperata on the Stridvall Family Domain

Flavoparmelia caperata on the Mushroom Observer

Flavoparmelia caperata on Wikispecies

Flavoparmelia caperata at the Consortium of North American Lichen Herbaria

References:

Walewski, Joe, Lichens of the North Woods, Kollath+Stensaas Publishing, 2007, p. 107

Flavoparmelia caperata (Common Greenshield, Flavoparmelia Lichen)

9/5/2009 · Willard Brook State Park, Orange Trail, Townsend, MA
≈ 12 × 8" (31 × 20 cm) ID is uncertain

Flavoparmelia caperata description by Thomas H. Kent, last updated 18 Dec 2016.

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Flavoparmelia caperata (Common Greenshield, Flavoparmelia Lichen)

4/1/2008 · Pepperell, MA
≈ 2½ × 3" (7.3 × 7.8 cm)

Flavoparmelia caperata (Common Greenshield, Flavoparmelia Lichen)

5/7/2007 · Pepperell, MA
≈ 15 × 10" (37 × 24 cm)

Flavoparmelia caperata (Common Greenshield, Flavoparmelia Lichen)

5/12/2007 · Pepperell, MA