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building a Global Consortium of Bryophytes and Lichens as keystones of cryptobiotic communities
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Umbilicaria havaasii
Umbilicaria havaasii
Llano
Family:
Umbilicariaceae
Lucy Taylor
LIAS
Resources
Botanische Staatssammlung München
life habit:
lichenized (mutualistic with algal photobionts)
thallus:
peltate, umbilicate
thallus:
continuous, diffuse, effuse [th] upper surface: black(ish) | grey(ish) [th upper surface]: pruinose [th upper surface] pruina: scarce, sparse, fine | dense [th marginal and upper surface] specific structures: absent [th] morphol substructures (eg areoles, lobes, branches) width [mm]: (low) 80.0 (high) 130.0 [th] morphol substructures (eg areoles, squamules): distantly discontiguous [th] morphol substructures (eg areoles, lobes, branches) upper
surface:
smooth, plane | granulose, granular | rugose, plicate, folded, pustulate, faveolate, wrinkled [th] lower surface: black(ish) | red(dish) brown (if pale: orange brown) [th lower surface] specific structures: absent | present [th lower surface] rhizines, rhizoid structures: absent | present [th lower surface] rhizines, rhizinoid structures: unbranched, simple | furcately branched, furcate, forked
ascomata:
absent | present
ascoma:
apothecial, apothecioid hymenial
ascoma
[mm]: (low) 0.9 (high) 2.0
ascoma:
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) [ascm] paraphyses/-oids: present [ascm] paraphyses/-oid cells width [µm]: (low) 1.7 (high) 2.0 [ascm] paraphyses/-oid apical cells width [µm]: (low) 7.0 (high) 9.5 [ascm] epihymenium, epithecium: black(ish)
asci:
lecanoralean [asc] tholus: thickened [asc] tholus amyloidity (iodine reaction): present [asc] tholus amyloidity pattern: entirely amyloid (= Catillaria-, Teloschistes-types etc)
ascospores:
(median) 8.0 [asp] shape: ellipsoidal [asp] length [µm]: (low) 10.0 (high) 20.5 [asp] width [µm]: (low) 6.0 (high) 8.5 [asp] septa: absent spore lumen unilocular, monolocular [asp] pigmentation: hyaline, colourless [asp] perispore, epispore: not apparent
secondary metabolites:
present
secondary metabolites:
gyrophoric acid
primary photobiont:
present
secondary photobionts
(eg in cephalodia): absent
primary photobiont:
chlorophytaceous trebouxiaceous, chlorococcoid.
substrate:
rock siliceous, siliciferous, acidic.
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