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Sagiolechia protuberans (Ach.) A. Massal.
Family: Sagiolechiaceae
[Bilimbia protuberans (Ach.) A. Massal.,  more]
Sagiolechia protuberans image
Lucy Taylor  
Life habit: lichenized (mutualistic with algal photobionts) thallus: crustose (crustaceous) – endosubstratal, inconspicuous, immersed [th] upper surface: red(dish) [th marginal and upper surface] specific structures: absent [th] morphol substructures (eg areoles, lobes, branches) upper surface: verrucose, warted ascomata: absent | present ascoma: apothecial, apothecioid – hymenial ascoma [mm]: (low) 0.4 (high) 0.8 (max) 1.0 ascoma: subsessile, subimmersed, adnate, semi-immersed, emergent | sessile, superficial [ascm, if apoth] disc, mazaedium: concave | plane, flat, flattened, expanded [ascm, if apoth] disc, mazaedium: red(dish) brown (if pale: orange brown) [ascm, if apoth] subhymenial layers, hypothecium; [if perith] basal excipulum: black(ish) [ascm] paraphyses/-oids: present [ascm] paraphyses/-oid cells width [µm]: (median) 1.0 [ascm] paraphyses/-oid apical cells width [µm]: (median) 4.0 [ascm] epihymenium, epithecium: black(ish) brown | red(dish) brown (pale: orange brown) asci: unitunicate [asc] tholus: thickened [asc] tholus amyloidity (iodine reaction): present ascospores: (median) 8.0 [asp] length [µm]: (min) 10.0 (low) 12.0 (high) 28.0 [asp] width [µm]: (low) 6.0 (high) 9.0 [asp] septa: present [asp] septa: transversely septate [asp] transversal septa: (min) 1.0(median) 3.0 [asp] pigmentation: hyaline, colourless secondary metabolites: absent primary photobiont: present secondary photobionts (eg in cephalodia): absent primary photobiont: chlorophytaceous – trentepohliaceous, trentepohlioid.

substrate: rock – calcareous, calciferous, basic | rock, stones, pebbles – unspecified.