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Fuscidea cyathoides (Ach.) V. Wirth & Vezda
Family: Fuscideaceae
[Lecidea rivulosa Ach.,  more]
Fuscidea cyathoides image
Life habit: lichenized (mutualistic with algal photobionts) thallus: crustose (crustaceous) – episubstratal – unspecified [th] upper surface: grey(ish) | grey(ish) brown [th marginal and upper surface] specific structures: present [th upper surface] isidia, isidioid structures: absent [th upper surface] soredia, soralia, soralioid structures: present [th] medulla amyloidity: absent ascomata: absent | present ascoma: apothecial, apothecioid – hymenial ascoma [mm]: (median) 1.5 (max) 1.8 [ascm, if apoth] disc, mazaedium: plane, flat, flattened, expanded [ascm, if apoth] disc, mazaedium: black(ish) | black(ish) brown [ascm] paraphyses/-oids: present asci: lecanoralean [asc] tholus: thickened [asc] tholus amyloidity (iodine reaction): present [asc] tholus amyloidity pattern: entirely amyloid (= Catillaria-, Teloschistes-types etc) ascospores: (median) 8.0 [asp] shape: fabiform, reniform [asp] length [µm]: (low) 8.5 (high) 12.0 (max) 14.0 [asp] width [µm]: (low) 4.0 (high) 6.0 [asp] septa: absent – spore lumen unilocular, monolocular [asp] pigmentation: hyaline, colourless [asp] perispore, epispore: not apparent secondary metabolites: present secondary metabolites: fumarprotocetraric acid primary photobiont: present secondary photobionts (eg in cephalodia): absent primary photobiont: chlorophytaceous – trebouxiaceous, chlorococcoid.

substrate: bark, cork, plant surface – trunks, branches, twigs | rock, stones, pebbles – unspecified.