Slideshow image
Umbilicaria mammulata (Ach.) Tuck.
Family: Umbilicariaceae
[Gyrophora dillenii (Tuck.) Müll. Arg.]
Umbilicaria mammulata image
Stephen Sharnoff  
Life habit: lichenized (mutualistic with algal photobionts) thallus: peltate, umbilicate thallus: continuous, diffuse, effuse [th] upper surface: brown(ish) (if pale: fawn, tan; if mid: cinnamon) | brown(ish) green (olivaceous, olive green) | green(ish) brown (olive brown) | red(dish) brown (if pale: orange brown) [th upper surface]: pruinose [th upper surface] pruina: scarce, sparse, fine [th marginal and upper surface] specific structures: absent [th] morphol substructures (eg areoles, lobes, branches) width [mm]: (low) 60.0 (high) 300.0 [th] morphol substructures (eg areoles, squamules): distantly discontiguous [th] morphol substructures (eg areoles, lobes, branches) upper surface: smooth, plane | granulose, granular | rugose, plicate, folded, pustulate, faveolate, wrinkled [th] lower surface: black(ish) [th lower surface] specific structures: present [th lower surface] rhizines, rhizoid structures: present [th lower surface] rhizines, rhizinoid structures: unbranched, simple ascomata: absent | present ascoma: apothecial, apothecioid – hymenial ascoma [mm]: (low) 2.0 (high) 4.0 ascoma: sessile, superficial | subpedicellate, substipitate, subpedunculate, substalked [ascm, if apoth] disc, mazaedium: plane, flat, flattened, expanded | subconvex, slightly convex | convex [ascm, if apoth] disc, mazaedium: black(ish) [ascm, if apoth] disc, mazaedium: epruinose [ascm, if apoth] margin surface; [if perith] periostiolar area, ostiole, involucrellum: black(ish) [ascm, if apoth] margin excipular photobionts: absent [ascm, if apoth] subhymenial layers, hypothecium; [if perith] basal excipulum: brown(ish) (if pale: fawn, tan; if mid: cinnamon) [ascm] paraphyses/-oids: present [ascm] paraphyses/-oid cells width [µm]: (low) 2.4 (high) 3.0 [ascm] paraphyses/-oid apical cells width [µm]: (low) 3.0 (high) 3.3 [ascm] epihymenium, epithecium: black(ish) 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: ellipsoidal [asp] length [µm]: (low) 16.0 (high) 25.0 [asp] width [µm]: (low) 8.0 (high) 15.0 [asp] septa: absent – spore lumen unilocular, monolocular [asp] pigmentation: hyaline, colourless | medium brown, brownish [asp] perispore, epispore: not apparent secondary metabolites: present secondary metabolites: gyrophoric acid primary photobiont: present secondary photobionts (eg in cephalodia): absent primary photobiont: chlorophytaceous – trebouxiaceous, chlorococcoid.

substrate: rock – siliceous, siliciferous, acidic.
Umbilicaria mammulata image
Troy McMullin  
Umbilicaria mammulata image
Gary Perlmutter  
Umbilicaria mammulata image
Stephen Sharnoff  
Umbilicaria mammulata image
Stephen Sharnoff  
Umbilicaria mammulata image
Stephen Sharnoff  
Umbilicaria mammulata image
Stephen Sharnoff  
Umbilicaria mammulata image
Stephen Sharnoff  
Umbilicaria mammulata image
Stephen Sharnoff  
Umbilicaria mammulata image
Umbilicaria mammulata image
Umbilicaria mammulata image
Umbilicaria mammulata image
Umbilicaria mammulata image
Umbilicaria mammulata image
Umbilicaria mammulata image
Umbilicaria mammulata image
Umbilicaria mammulata image
Umbilicaria mammulata image
Umbilicaria mammulata image
Umbilicaria mammulata image
Umbilicaria mammulata image
Umbilicaria mammulata image
Umbilicaria mammulata image
Umbilicaria mammulata image
Umbilicaria mammulata image
Umbilicaria mammulata image
Umbilicaria mammulata image
Umbilicaria mammulata image
Umbilicaria mammulata image
Umbilicaria mammulata image
Umbilicaria mammulata image
Umbilicaria mammulata image
Umbilicaria mammulata image
Umbilicaria mammulata image
Umbilicaria mammulata image
Umbilicaria mammulata image
Umbilicaria mammulata image
Umbilicaria mammulata image
Umbilicaria mammulata image
Umbilicaria mammulata image
Umbilicaria mammulata image
Umbilicaria mammulata image
Umbilicaria mammulata image
Umbilicaria mammulata image
Umbilicaria mammulata image
Umbilicaria mammulata image
Umbilicaria mammulata image
Umbilicaria mammulata image
Umbilicaria mammulata image
Umbilicaria mammulata image
Umbilicaria mammulata image
Umbilicaria mammulata image
Umbilicaria mammulata image
Umbilicaria mammulata image
Umbilicaria mammulata image
Umbilicaria mammulata image
Umbilicaria mammulata image
Umbilicaria mammulata image
Umbilicaria mammulata image
Umbilicaria mammulata image
Umbilicaria mammulata image
Umbilicaria mammulata image
Umbilicaria mammulata image
Umbilicaria mammulata image
Umbilicaria mammulata image
Umbilicaria mammulata image
Umbilicaria mammulata image
Umbilicaria mammulata image
Umbilicaria mammulata image
Umbilicaria mammulata image
Umbilicaria mammulata image
Umbilicaria mammulata image
Umbilicaria mammulata image
Umbilicaria mammulata image
Umbilicaria mammulata image
Umbilicaria mammulata image
Umbilicaria mammulata image
Umbilicaria mammulata image
Umbilicaria mammulata image
Umbilicaria mammulata image
Umbilicaria mammulata image
Umbilicaria mammulata image
Umbilicaria mammulata image
Umbilicaria mammulata image
Umbilicaria mammulata image
Umbilicaria mammulata image
Umbilicaria mammulata image
Umbilicaria mammulata image
Umbilicaria mammulata image
Umbilicaria mammulata image
Umbilicaria mammulata image
Umbilicaria mammulata image
Umbilicaria mammulata image
Umbilicaria mammulata image
Umbilicaria mammulata image
Umbilicaria mammulata image
Umbilicaria mammulata image
Umbilicaria mammulata image
Umbilicaria mammulata image