Classification
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All Names

  • English
    • Common Greenshield Lichen
    • Common green shield lichen
  • Scientific Names
    • Flavoparmelia caperata

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Recent observations

Photos / Sounds

Square

What

Common Greenshield Lichen Flavoparmelia caperata

Observer

dpom

Date

November 11, 2014 03:09 PM PST

Photos / Sounds

What

Common Greenshield Lichen Flavoparmelia caperata

Observer

metsa

Date

November 11, 2014 10:26 AM PST

Description

on the same tree with several other lichen species.
Brown lower surface

Photos / Sounds

What

Common Greenshield Lichen Flavoparmelia caperata

Observer

metsa

Date

November 7, 2014 01:30 PM EST

Description

on trees, the most common lichen I saw todpale green, dark lower surface with rhizines

http://www.nps.gov/shen/naturescience/lichens.htm

http://www.nps.gov/shen/forkids/upload/JrRangerExplore_NatureNote-Lichen.pdf

Photos / Sounds

What

Common Greenshield Lichen Flavoparmelia caperata

Date

October 24, 2014 03:32 PM PDT

Description

Medulla C-

Photos / Sounds

What

Common Greenshield Lichen Flavoparmelia caperata

Date

October 22, 2014 06:06 PM PDT

Description

#2

Photos / Sounds

What

Common Greenshield Lichen Flavoparmelia caperata

Observer

lisalundgren9

Date

October 24, 2014 03:03 PM EDT

Photos / Sounds

No photos or sounds

What

common greenshield lichen Flavoparmelia caperata

Observer

everettjohns

Date

October 23, 2014

Photos / Sounds

Square

What

Common Greenshield Lichen Flavoparmelia caperata

Observer

rebeccafay

Date

September 27, 2014 10:43 AM PDT

Photos / Sounds

Square

What

Common Greenshield Lichen Flavoparmelia caperata

Observer

dpom

Date

September 25, 2014 10:38 AM PDT

Photos / Sounds

What

Common Greenshield Lichen Flavoparmelia caperata

Observer

metsa

Date

September 24, 2014 07:58 AM PDT

Description

On rock in full sun, light pale green, soredia. Lower surface: brown edges with dark rhizines

Photos / Sounds

No photos or sounds

What

Common Greenshield Lichen Flavoparmelia caperata

Observer

gemlee33

Date

September 20, 2014 10:49 AM EDT

Photos / Sounds

Square

Observer

christinamazza

Date

September 7, 2014 03:03 PM EDT

Description

Common Greenshield. Found on a red oak tree base in the shade.

View all observations

Description from Wikipedia

Flavoparmelia caperata or common greenshield lichen (from Lichens of North America) is a medium to large foliose lichen that has a very distinctive pale yellow green upper cortex when dry. The rounded lobes, measuring 3–8 mm (0.1–0.3 in) wide, usually have patches of granular soredia arising from pustules. The lobes of the thallus may be smooth, but quite often have a wrinkled appearance especially in older specimens. The lower surface is black except for a brown margin; rhizomes...

No range data available.