Slideshow image
Epilichen scabrosus (Ach.) Clem. ex Hafellner
Family: Rhizocarpaceae
[Buellia scabrosa (Ach.) A. Massal.,  more]
Epilichen scabrosus image
Lucy Taylor  
Life habit: lichenicolous (in/on lichens) thallus: crustose (crustaceous) – episubstratal – unspecified | squamulose (squamulous) [th] upper surface: yellow(ish) (if dull: buff) | green(ish) yellow [th marginal and upper surface] specific structures: absent ascomata: absent | present ascoma: apothecial, apothecioid – hymenial ascoma [mm]: (min) 0.1 (low) 0.5 (high) 1.0 (max) 3.0 [ascm, if apoth] disc, mazaedium: subconvex, slightly convex | convex [ascm, if apoth] disc, mazaedium: black(ish) [ascm, if apoth] disc, mazaedium: epruinose [ascm, if apoth] subhymenial layers, hypothecium; [if perith] basal excipulum: brown(ish) black [ascm] paraphyses/-oids: present [ascm] epihymenium, epithecium: green(ish) black | green(ish) brown (olive brown) asci: lecanoralean [asc] tholus: thickened [asc] tholus amyloidity (iodine reaction): present [asc] tholus amyloidity pattern: with amyloid cap, ring (= Icmadophila-, Lecidea-, Pertusaria-types etc) ascospores: (median) 8.0 [asp] shape: broadly ellipsoidal | ellipsoidal [asp] length [µm]: (min) 10.0 (low) 11.5 (high) 14.0 (max) 18.0 [asp] width [µm]: (min) 4.0 (low) 5.5 (high) 7.5 (max) 9.5 [asp] septa: present [asp] septa: transversely septate [asp] transversal septa: (median) 1.0 [asp] pigmentation: medium brown, brownish [asp] perispore, epispore: not apparent secondary metabolites: present secondary metabolites: pulvinic acid primary photobiont: present secondary photobionts (eg in cephalodia): absent primary photobiont: chlorophytaceous – trebouxiaceous, chlorococcoid.

substrate: lichens, lichenized fungi.