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Cladonia stygia (Fr.) Ruoss (redirected from: Cladina stygia)
Family: Cladoniaceae
[Cladina stygia (Fr.) Ahti,  more]
Cladonia stygia image
Stephen Sharnoff  

Global occurrence: Eurasia – Asia Extratropical | Eurasia – Europe | Americas – North America (incl Mexico) | Arctic.  Substrate: soil, clay, humus, turf, detritus, dead leaves.  Life habit: lichenized (mutualistic with algal photobionts).  Thallus: fruticose (fruticous), shrub-like, beard-like; [th] upper surface: grey(ish) | yellow(ish) white (ivory, off-white, cream-coloured); [th marginal and upper surface] specific structures: absent; [th] morphol substructures (eg areoles, lobes, branches) width [mm]: (low) 0.8 (high) 1.6 (max) 2.0; [th] morphol substructures (eg areoles, lobes, branches) upper surface: verruculose, minutely warted; [th] morphol substructures (eg lobes, branches): anisotomic-dichotomous.  Ascomata: absent | present; ascoma: apothecial, apothecioid – hymenial; ascoma: pedicellate, stipitate, pedunculate, stalked; [ascm, if apoth] disc, mazaedium: brown(ish) (if pale: fawn, tan; if mid: cinnamon); [ascm] paraphyses/-oids: present.  Asci: lecanoralean; [asc] tholus: thickened; [asc] tholus amyloidity (iodine reaction): present; [asc] tholus amyloidity pattern: with amyloid tube, ring (= Collema-, Micarea-, Porpidia-, Psora-types etc).  Ascospores: (median) 8.0; [asp] septa: absent – spore lumen unilocular, monolocular; [asp] pigmentation: hyaline, colourless; [asp] perispore, epispore: not apparent.  Conidiomata: absent | present.  Secondary metabolites: present, atranorin | fumarprotocetraric acid | unknown/unidentified compound(s) | unknown/unidentified fatty acid(s).  Primary photobiont: present, chlorophytaceous – trebouxiaceous, chlorococcoid.  Secondary photobionts (eg in cephalodia): absent.

Cladonia stygia image
Troy McMullin  
Cladonia stygia image
Troy McMullin  
Cladonia stygia image
Troy McMullin  
Cladonia stygia image
Stephen Sharnoff  
Cladonia stygia image
Cladonia stygia image
Cladonia stygia image
Cladonia stygia image
Cladonia stygia image
Cladonia stygia image
Cladonia stygia image
Cladonia stygia image
Cladonia stygia image
Cladonia stygia image
Cladonia stygia image
Cladonia stygia image
Cladonia stygia image
Cladonia stygia image
Cladonia stygia image
Cladonia stygia image
Cladonia stygia image
Cladonia stygia image
Cladonia stygia image
Cladonia stygia image
Cladonia stygia image
Cladonia stygia image
Cladonia stygia image
Cladonia stygia image