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Solorina spongiosa (Ach.) Anzi, 1862

Common name Fringed Chocolate Chip Lichen
Code SOLOSPO
Field Characters Foliose tripartite cephalolichen that can appear crustose. Thalli bowl-shaped, composed of depressed apothecia up to ca. 1.5 cm across, with a narrow thalline rim (sometimes entirely lacking) with green algae, and granular cephalodia with Nostoc on the outside of the apothecia. Blueish to brownish-grey. Medulla white, often visible  around the cup margin. No lower cortex. Apothecia reddish-brown, with
Similar species
None in Alberta, but this species may resemble a non-lichenized ascomycete fungi at first glance.
Ecology Terricolous, rare but widespread on exposed mineral soil. Known from sites in the boreal, foothill and mountain regions.
Chemistry No substances detected by TLC (Zheng et al. 2025).
Molecular support
Strong at species level with 9 representatives of the species (Zheng et al. 2025). Recent phylogenetic analyses show this species as sister to S. bispora and part of a larger clade distinct from Solorina s.s. (Zheng et al. 2025). Zheng et al. placed it in the new genus Pseudosolorina. At this time we retain the more inclusive genus concept.
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Lichens of Alberta Copyright © by Diane L. Haughland is licensed under a Creative Commons Attribution-NonCommercial 4.0 International License, except where otherwise noted.