LiasLight

LIAS light – Item Descriptions


LIASlight ItemID: 7825

Buellia christophii Bungartz

Characters[*]:Character States[*]:
global occurrence: Americas – North America (incl Mexico)
substrate: rock – siliceous, siliciferous, acidic | rock, stones, pebbles – unspecified
life habit: lichenized (mutualistic with algal photobionts)
thallus: crustose (crustaceous) – episubstratal – unspecified | subsquamulose (subsquamulous)
thallus: continuous, diffuse, effuse | cracked, fissured, fractured, rimose | compartimentized – areolate, squamulate
[th] upper surface: black(ish) brown
[th upper surface]: epruinose
[th marginal and upper surface] specific structures: absent
[th] morphol substructures (eg areoles, squamules): contiguous, coherent (throughout the thallus) | discontiguous, dispersed (throughout the thallus)
[th] morphol substructures (eg areoles, lobes, branches) upper surface: smooth, plane | subsquamulose
[th] medulla amyloidity: absent
ascomata: absent | present
ascoma: apothecial, apothecioid – hymenial
ascoma [mm]: (min) 0.2 (low) 0.3 (high) 0.5 (max) 0.8
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] disc, mazaedium pruina
[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: black(ish) brown | red(dish) brown (if pale: orange brown)
[ascm] paraphyses/-oids: present
[ascm] epihymenium, epithecium: brown(ish) (if pale: fawn, tan; if mid: cinnamon)
asci: lecanoralean
[asc] tholus: thickened
[asc] tholus amyloidity (iodine reaction): present
[asc] tholus amyloidity pattern: amyloid with acuate axial body towards the apex (= Bacidia-, Buellia-, Ramalina-types etc)
ascospores: (median) 8.0
[asp] shape: subglobose, subspherical | broadly ellipsoidal
[asp] length [µm]: (min) 9.0 (low) 10.3(median) 11.7 (high) 13.2 (max) 15.0
[asp] width [µm]: (min) 6.0 (low) 6.8(median) 7.7 (high) 8.6 (max) 10.0
[asp] septa: present
[asp] septa: transversely septate
[asp] transversal septa: (median) 1.0
[asp] pigmentation: medium brown, brownish
[asp] perispore, epispore: not apparent
conidiomata: absent | present
conidia: bacilliform, bacillar
[co] length [µm]: (low) 2.4 (high) 4.5
secondary metabolites: absent | present
secondary metabolites: connorstictic acid | norstictic acid
primary photobiont: present
secondary photobionts (eg in cephalodia): absent
primary photobiont: chlorophytaceous – trebouxiaceous, chlorococcoid

[*] Not all (synonymous, equivalent or similar) terms being provided in parallel for a character or character state (e.g. 'endosubstratal, inconspicuous, immersed') need to be valid for the taxon under concern.


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