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Gyalecta geoica (Wahlenb. ex Ach.) Ach.
Family: Gyalectaceae
[Lecidea geoica (Wahlenb.) Nyl.,  more]
Gyalecta geoica image
Life habit: lichenized (mutualistic with algal photobionts) thallus: crustose (crustaceous) – episubstratal – unspecified [th] upper surface: grey(ish) | grey(ish) yellow [th marginal and upper surface] specific structures: absent ascomata: absent | present ascoma: apothecial, apothecioid – hymenial ascoma [mm]: (median) 0.6 ascoma: subsessile, subimmersed, adnate, semi-immersed, emergent [ascm, if apoth] disc, mazaedium: yellow(ish) brown | yellow(ish) red (orange red) [ascm] paraphyses/-oids: present asci: unitunicate [asc] tholus: thickened [asc] tholus amyloidity (iodine reaction): absent | present ascospores: (median) 8.0 [asp] length [µm]: (low) 10.0 (high) 16.0 [asp] width [µm]: (low) 4.0 (high) 6.0 [asp] septa: present [asp] septa: transversely septate [asp] transversal septa: (median) 3.0 [asp] pigmentation: hyaline, colourless [asp] perispore, epispore: not apparent primary photobiont: present secondary photobionts (eg in cephalodia): absent primary photobiont: chlorophytaceous – trentepohliaceous, trentepohlioid.

substrate: soil, clay, humus, turf, detritus, dead leaves | bryophytes – mosses, liverworts.