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Micarea assimilata (Nyl.) Coppins
Family: Pilocarpaceae
[Biatora assimilata (Nyl.) Hazsl.,  more]
Micarea assimilata image
Life habit: lichenized (mutualistic with algal photobionts) thallus: crustose (crustaceous) – episubstratal – unspecified thallus: compartimentized – areolate, squamulate [th] upper surface: white(ish) | brown(ish) white [th marginal and upper surface] specific structures: absent | present [th margin] cilia, cilioid structures: absent [th upper surface] isidia, isidioid structures: absent [th upper surface] soredia, soralia, soralioid structures: absent [th] morphol substructures (eg areoles, lobes, branches) width [mm]: (low) 0.08 (high) 0.3 ascomata: absent | present ascoma: apothecial, apothecioid – hymenial ascoma [mm]: (low) 0.3 (high) 0.8 (max) 1.0 ascoma: sessile, superficial [ascm, if apoth] disc, mazaedium: convex [ascm, if apoth] disc, mazaedium: black(ish) [ascm, if apoth] margin excipular photobionts: absent [ascm, if apoth] subhymenial layers, hypothecium; [if perith] basal excipulum: red(dish) brown (if pale: orange brown) [ascm] paraphyses/-oids: present [ascm] paraphyses/-oid cells width [µm]: (min) 1.0 (low) 1.5 (high) 2.0 [ascm] paraphyses/-oid apical cells width [µm]: (min) 3.0 asci: lecanoralean [asc] tholus: thickened [asc] tholus amyloidity (iodine reaction): present [asc] tholus amyloidity pattern: with amyloid tube, ring (= Collema-, Micarea-, Porpidia-, Psora-types etc) ascospores: (median) 8.0 [asp] shape: ellipsoidal | ovoid, ovate [asp] length [µm]: (min) 10.0 (low) 12.0 (high) 16.0 (max) 19.0 [asp] width [µm]: (low) 3.0 (high) 5.0 [asp] septa: absent – spore lumen unilocular, monolocular | present [asp] septa: transversely septate [asp] transversal septa: (median) 0.0 (max) 1.0 [asp] pigmentation: hyaline, colourless [asp] perispore, epispore: not apparent conidiomata: absent | present [co] length [µm]: (low) 6.0 (high) 9.0 secondary metabolites: absent primary photobiont: present secondary photobionts (eg in cephalodia): absent | present primary photobiont: chlorophytaceous – trebouxiaceous, chlorococcoid.

substrate: soil, clay, humus, turf, detritus, dead leaves.