R. Fraley

Common Greenshield Lichen

Flavoparmelia caperata

A common foliose lichen of mature hardwood bark, recognized by its pale yellow-green color and broad, overlapping lobes.

Further identification notes and comparative context for this species are explored in the Lichen Field Notes.

Greenshield Circle Greenshield Circle
A rounded foliose colony anchored firmly to aging elm bark.
Camera: Canon EOS 5D Mk IV
Lens: EF100mm f/2.8L Macro IS USM
Settings: ISO 200 • Aperture f/13 • Shutter 2.0 s
E21A6505 • Size: 6720×4480

Twin Colonies on an Elm Trunk Twin Colonies on an Elm Trunk
Small foliose colonies scattered across rough elm bark.
Camera: Canon EOS 5D Mk IV
Lens: EF100mm f/2.8L Macro IS USM
Settings: ISO 200 • Aperture f/13 • Shutter 1/4 s
E21A6518 • Size: 6720×4480

At the Coming Dawn At the Coming Dawn
A study in pale green and bark at the coming dawn.
Camera: Canon EOS 5D Mk IV
Lens: EF100mm f/2.8L Macro IS USM
Settings: ISO 200 • Aperture f/11 • Shutter 15.0 s
E21A8235 • Size: 5892×3928

After the Thaw After the Thaw
Greenshield vivid under near-saturated air at the edge of snowfall.
Camera: Canon EOS 5D Mk IV
Lens: EF100mm f/2.8L Macro IS USM
Settings: ISO 200 • Aperture f/4.5 • Shutter 0.3 s
E21A8470 • Size: 5318x3545

Lobe Study Detail Lobe Study Detail
Overlapping lobes with faint gloss and tight surface wrinkling.
Camera: Canon EOS 5D Mk IV
Lens: EF100mm f/2.8L Macro IS USM
Settings: ISO 200 • Aperture f/13 • Shutter 4.0 s
E21A6509 • Size: 2289×3434

Focus-stacked Detail Common Greenshield — Focus-stacked Detail
A study revealing powdery laminal textures and occasional embedded discs.
Camera: Canon EOS 5D Mk IV
Lens: EF100mm f/2.8L Macro IS USM
Technique: Focus stack
_E21A8236–8250__ • Size: 6365×4242

Reproductive Structures

Apothecium Close-up Apothecium Close-up
A single, well-developed laminal apothecium.
Camera: Canon EOS 5D Mk IV
Lens: EF100mm f/2.8L Macro IS USM
Settings: ISO 200 • Aperture f/13 • Shutter 15 s
E21A8248A • Size: 1373x2059

Apothecia Among Folded Lobes Apothecia Among Folded Lobes
Multiple laminal apothecia embedded within rugose lobes.
Camera: Canon EOS 5D Mk IV
Lens: EF100mm f/2.8L Macro IS USM
Settings: ISO 200 • Aperture f/13 • Shutter 15 s
E21A8248B • Size: 1326x884

Apothecium with Pale Thalline Margin Apothecium with Pale Thalline Margin
Rare laminal apothecia with brown discs and pale thalline margins.
Camera: Canon EOS 5D Mk IV
Lens: EF100mm f/2.8L Macro IS USM
Settings: ISO 200 • Aperture f/13 • Shutter 15 s
E21A8248C • Size: 1694x1129