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building a Global Consortium of Bryophytes and Lichens as keystones of cryptobiotic communities
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Rhizocarpon hochstetteri
Rhizocarpon hochstetteri
(Körb.) Vain.
Family:
Rhizocarpaceae
[
Biatora hochstetteri
(Körb.) G. Merr.,
more
Buellia atroalba
(Ach.) Th. Fr.,
Buellia colludens
(Nyl.) Arnold,
Buellia colludens var. colludens
(Nyl.) Arnold,
Buellia colludens var. triseptata
M. Knowles ex Ch. Porter,
Buellia hochstetteri
(Körb.) Mong.,
Catillaria colludens
(Nyl.) Jatta,
Catillaria hochstetteri
Körb.,
Catocarpus hochstetteri
(Körb.) Oxner,
Lecidea colludens
Nyl.,
Lecidea hochstetteri
(Körb.) Vain.,
Lecidea hochstetteri f. hochstetteri
(Körb.) Vain.,
Lecidea hochstetteri f. incrassata
Vain.,
Rhizocarpon colludens
(Nyl.) Fryday,
Rhizocarpon colludens var. colludens
(Nyl.) Fryday,
Rhizocarpon colludens var. rufoatrum
,
Rhizocarpon massalongoi f. colludens
(Nyl.) Zahlbr.
]
Stephen Sharnoff
LIAS
Resources
Botanische Staatssammlung München
Life habit:
lichenized (mutualistic with algal photobionts)
thallus:
crustose (crustaceous) episubstratal unspecified
thallus:
cracked, fissured, fractured, rimose | compartimentized areolate, squamulate [th] upper surface: grey(ish) brown | red(dish) brown (if pale: orange brown) [th upper surface]: epruinose [th marginal and upper surface] specific structures: absent [th] morphol substructures (eg areoles, lobes, branches) width [mm]: (low) 0.2 (high) 1.0 [th] morphol substructures (eg areoles, lobes, branches) upper
surface:
smooth, plane [th] medulla amyloidity: absent
ascomata:
absent | present
ascoma:
apothecial, apothecioid hymenial
ascoma
[mm]: (low) 0.6 (high) 1.0 (max) 1.2
ascoma:
subsessile, subimmersed, adnate, semi-immersed, emergent | sessile, superficial [ascm, if apoth] disc, mazaedium: plane, flat, flattened, expanded | subconvex, slightly 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) | black(ish) brown [ascm] paraphyses/-oids: present [ascm] paraphyses/-oid cells width [µm]: (low) 2.5 (high) 3.0 [ascm] paraphyses/-oid apical cells width [µm]: (min) 3.5 [ascm] epihymenium, epithecium: green(ish) | brown(ish) (if pale: fawn, tan; if mid: cinnamon) | green(ish) black | yellow(ish) black
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: broadly ellipsoidal | ellipsoidal [asp] length [µm]: (low) 21.0 (high) 25.0 (max) 28.0 [asp] width [µm]: (low) 8.5 (high) 10.0 (max) 12.0 [asp] septa: present [asp] septa: transversely septate [asp] transversal septa: (median) 1.0 [asp] pigmentation: hyaline, colourless | medium brown, brownish [asp] perispore, epispore: thick, distincly halonate
secondary metabolites:
absent | present
secondary metabolites:
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.
Open Interactive Map
Amanda Zinke : Field Museum of Natural History - Botany Department
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