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Hymenelia epulotica (Ach.) Lutzoni
Family: Hymeneliaceae
[Aspicilia epulotica (Ach.) Anzi,  more]
Hymenelia epulotica image
Andrew Khitsun  
Life habit: lichenized (mutualistic with algal photobionts) thallus: crustose (crustaceous) – endosubstratal, inconspicuous, immersed | crustose (crustaceous) – episubstratal – unspecified thallus: compartimentized – areolate, squamulate [th] upper surface: white(ish) | brown(ish) yellow (ochraceous, ochre) | brown(ish) red (carneous) [th marginal and upper surface] specific structures: absent ascomata: absent | present ascoma: apothecial, apothecioid – hymenial ascoma [mm]: (median) 0.5 (max) 0.7 ascoma: immersed, innate [ascm, if apoth] disc, mazaedium: white(ish) red (rose) [ascm] paraphyses/-oids: present asci: lecanoralean [asc] tholus: thickened [asc] tholus amyloidity (iodine reaction): absent ascospores: (median) 8.0 [asp] length [µm]: (low) 13.0 (high) 22.0 [asp] width [µm]: (low) 7.0 (high) 12.0 [asp] septa: absent – spore lumen unilocular, monolocular [asp] pigmentation: hyaline, colourless [asp] perispore, epispore: not apparent secondary metabolites: absent primary photobiont: present secondary photobionts (eg in cephalodia): absent primary photobiont: chlorophytaceous – trentepohliaceous, trentepohlioid.

substrate: rock – calcareous, calciferous, basic.