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Cladonia digitata (L.) Hoffm.
Family: Cladoniaceae
[Cenomyce digitata (L.) Ach.,  more]
Cladonia digitata image
Stephen Sharnoff  
Life habit: lichenized (mutualistic with algal photobionts) thallus: squamulose (squamulous) | fruticose (fruticous), shrub-like, beard-like [th marginal and upper surface] specific structures: present [th margin] cilia, cilioid structures: absent [th upper surface] isidia, isidioid structures: absent [th upper surface] soredia, soralia, soralioid structures: present [th] lower surface: white(ish) [th lower surface] specific structures: present ascomata: absent | present ascoma: apothecial, apothecioid – hymenial ascoma: pedicellate, stipitate, pedunculate, stalked [ascm, if apoth] disc, mazaedium: red(dish) [ascm] paraphyses/-oids: present asci: lecanoralean [asc] tholus: thickened [asc] tholus amyloidity (iodine reaction): present [asc] tholus amyloidity pattern: with amyloid tube (= 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 [co] length [µm]: (low) 5.0 (high) 14.0 secondary metabolites: present secondary metabolites: rhodocladonic acid | thamnolic acid primary photobiont: present secondary photobionts (eg in cephalodia): absent primary photobiont: chlorophytaceous – trebouxiaceous, chlorococcoid.

substrate: soil, clay, humus, turf, detritus, dead leaves | wood – dead, living.