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Stereocaulon spathuliferum Vainio
Family: Stereocaulaceae
[Stereocaulon botryosum f. dissolutum (H. Magn.) Frey,  more]
Stereocaulon spathuliferum image
Stephen Sharnoff  
Life habit: lichenized (mutualistic with algal photobionts) thallus:> fruticose (fruticous), shrub-like, beard-like [th] upper surface: grey(ish) white [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] morphol substructures (eg lobes, branches): irregular ascomata: absent | present ascoma: apothecial, apothecioid – hymenial [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) secondary metabolites: present secondary metabolites: atranorin | stictic acid primary photobiont: present secondary photobionts (eg in cephalodia): absent | present primary photobiont: chlorophytaceous – trebouxiaceous, chlorococcoid.

substrate: rock, stones, pebbles – unspecified.