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Tentative:
Cladonia albonigra Brodo & Ahti:
PRIMARY THALLUS squamulose, usually persistent.
PODETIA 1-4(-5) cm tall, greyish green to reddish
brown, melanotic at base (sometimes almost entirely
blackened), scyphose, proliferating from the margins
or centre of the scyphi, producing up to four tiers,
margins entire or dentate. Surface partially areolate,
sorediate to coarsely granular on upper half of podetia; podetial squamules occasional.
Nordic Lichen Flora, Volume 5, Cladoniaceae, photo page 93

mineral soil near stream.
Small plants in loose mats, somewhat complanate,
Leaves around stem, pointed out 60°
Toothy leaves with costa.
Stem leaves narrowly decurrent, broadly ovate-triangular to ovate-lanceolate, slightly concave, acute and toothy.
Branch leaves, more oval, blunt toothy tips
Seta smooth. Rhizoids.