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Blue-gray rosette lichen

Physcia caesia

A species of Rosette lichens, Also known as Powder-back lichen

Blue-gray rosette lichen is a distinct organism often observed on tree bark and rocks, preferring sunlit environments. Its name reflects the unique blue-grey tone of its leafy structures, which can be observed overlapping like shingles on a roof. These structures are somewhat delicate and attach closely to the growth surface, capturing an aesthetic appeal in their radial pattern.

Cap Diameter
Cap Diameter:

2 - 7 cm

Odor
Odor:

Mildly mushroomy but not distinctive.

General Info About Blue-gray rosette lichen
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Attributes of Blue-gray rosette lichen
Cap Diameter
2 - 7 cm
Cap
Cap 2 - 7 cm across; foliose; pale gray shading to darker gray in the center
Stem
Short; dark
Spore Print Color
Brown
Odor
Mildly mushroomy but not distinctive.
Body Color
Brown
Black
Gray
White
Flesh Bruises
The flesh or milk does not discolor when bruised or cut.
You can find Blue-gray rosette lichen by these plants:
Lindens, Oaks, Sycamore
Species Status
Widespread across much of the world
Endangered Species
No
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Habitat of Blue-gray rosette lichen
Rock, bone, bark and soil
Scientific Classification of Blue-gray rosette lichen
Similar Species to Blue-gray rosette lichen
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