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Flavoparmelia caperata (L.) Hale

Common greenshield, flavoparmelia lichen

ParentsUnknownGenus is not in the current taxonomy

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 on islandcreekes.fcps.edu

Flavoparmelia caperata on Discover Life

Flavoparmelia caperata on CalPhotos

Flavoparmelia caperata on the Stridvall Family Domain

Flavoparmelia caperata on Wikispecies


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, Mass­a­chu­setts
≈ 9 × 7" (22 × 18 cm) ID is uncertain

Flavorparmelia caperata

Parmelia caperata (L.) Ach.

Parmelia cylisphora (Ach.) Vain.

Parmelia flavicans (Tuck.) Tuck.

Parmelia herreana Zahlbr.

Parmelia negativa Gyel.

Pseudoparmelia caperata (L.) Hale


Flavoparmelia caperata description by Thomas H. Kent, last updated 25 May 2020.

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Flavoparmelia caperata (common greenshield, flavoparmelia lichen)

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

Flavoparmelia caperata (common greenshield, flavoparmelia lichen)

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

Flavoparmelia caperata (common greenshield, flavoparmelia lichen)

5/12/2007 · Pepperell, Mass­a­chu­setts