The common greenshield lichen is a familiar species in temperate forests around the world. It can be found growing on rock outcroppings and trees in a wide variety of habitats. Individuals can grow to be quite large and may be gregarious, forming large mats or sheets on suitable surfaces. Like other lichens, the common greenshield lichen will shrivel and harden when moisture is scarce.
Cap Diameter:
6 - 25 mm
Odor:
Mildly mushroomy but not distinctive.
In This Article
Attributes
Similar Species
Tips for Finding
Clean and Preserve
Common Questions
General Info About Common greenshield lichen
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Attributes of Common greenshield lichen
Cap Diameter
6 - 25 mm
Cap
6 - 25 mm; circular; pale yellow when dry; rounded lobes, may be smooth
Odor
Mildly mushroomy but not distinctive.
Body Color
Green
Yellow
Flesh Bruises
The flesh or milk does not discolor when bruised or cut.
You can find Common greenshield lichen by these plants:
The common greenshield lichen grows in wood and wooded areas, but also in urban environments. It primarily grows on trunks of deciduous trees, occasionally on rocks, but it tends to appear on fence posts as well.
Scientific Classification of Common greenshield lichen