Notes:
It is on granite cliffs in open places or semishadow of pine-tree forest.
This dark greenish-grey Aspicilia has curved up to vermiform areoles; apothecia are often complex with double ring or intergrowths of several small apothecia. Ratio of green and grey is very changeable. But this Aspicilia with the fine structure is the darkest colored here.
KOH test makes dirty yellowish-green then turned to dirty reddish-brown and chocolate brown colouring in several minutes.

Images

G_39_0238.JPG
G_39_0237.JPG

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Comments

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The problem, that this lichen is extremely common, but not good for photos
By: Igor (Igor_Yevdokimov)
2019-03-25 07:23:18 CDT (-0400)

The problem, that this lichen is extremely common, but not good for photos.
It has dark red-brown spots after KOH and very fine structure. It looks as scabrous dark grey and some greenish crust up to 10cm (old adult lichen). So, usually I took photos of it fragments as different observations 314027, 313617 and 313618 (long time with magnifying-glass made this decision).

Some are really hard to guess!
By: Jason Hollinger (jason)
2019-03-23 21:15:54 CDT (-0400)

Beuatiful specimen, but what could it be???