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building a Global Consortium of Bryophytes and Lichens as keystones of cryptobiotic communities
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Rhizocarpon superficiale
Rhizocarpon superficiale
(Schaer.) Vain.
Family:
Rhizocarpaceae
LIAS
Resources
Botanische Staatssammlung München
Life habit:
lichenized (mutualistic with algal photobionts)
thallus:
crustose (crustaceous) episubstratal unspecified
thallus:
compartimentized areolate, squamulate [th] upper surface: yellow(ish) (if dull: buff) | yellow(ish) green [th marginal and upper surface] specific structures: absent
ascomata:
absent | present
ascoma:
apothecial, apothecioid hymenial
ascoma
[mm]: (median) 2.0
ascoma:
sessile, superficial [ascm, if apoth] disc, mazaedium: black(ish) [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) | black(ish) brown [ascm] paraphyses/-oids: present [ascm] epihymenium, epithecium: blue(ish) black | brown(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 (= Icmadophila-, Lecidea-, Pertusaria-types etc)
ascospores:
(median) 8.0 [asp] shape: ellipsoidal [asp] length [µm]: (low) 11.0 (high) 18.0 [asp] width [µm]: (low) 6.0 (high) 8.0 [asp] septa: present [asp] septa: transversely septate [asp] transversal septa: (median) 1.0 [asp] pigmentation: medium brown, brownish | dark brown [asp] perispore, epispore: thick, distincly halonate
secondary metabolites:
present
secondary metabolites:
norstictic acid | rhizocarpic acid | stictic acid
primary photobiont:
present
secondary photobionts
(eg in cephalodia): absent
primary photobiont:
chlorophytaceous trebouxiaceous, chlorococcoid.
substrate:
rock siliceous, siliciferous, acidic | rock, stones, pebbles unspecified.
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André Aptroot
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