LiasLight

LIAS light – Item Descriptions


LIASlight ItemID: 104

Acrocordia cavata (Ach.) R. C. Harris

Characters[*]:Character States[*]:
global occurrence: Eurasia – Asia Extratropical | Eurasia – Europe | Americas – North America (incl Mexico)
substrate: wood – dead, living | bark, cork, plant surface – trunks, branches, twigs
life habit: lichenized (mutualistic with algal photobionts)
thallus: crustose (crustaceous) – endosubstratal, inconspicuous, immersed
thallus: continuous, diffuse, effuse | cracked, fissured, fractured, rimose
[th] upper surface: grey(ish) | white(ish) | grey(ish) white
[th marginal and upper surface] specific structures: absent
ascomata: absent | present
ascoma: perithecial, perithecioid – hymenial
ascoma [mm]: (low) 0.3 (high) 0.6
ascoma: immersed, innate | subsessile, subimmersed, adnate, semi-immersed, emergent
[ascm] paraphyses/-oids: present
asci: fissitunicate – bitunicate
[asc] tholus: thickened
[asc] tholus amyloidity (iodine reaction): absent
ascospores: (median) 8.0
[asp] length [µm]: (low) 11.0 (high) 16.5
[asp] width [µm]: (low) 5.5 (high) 9.5
[asp] septa: present
[asp] septa: transversely septate
[asp] transversal septa: (median) 1.0
[asp] pigmentation: hyaline, colourless
[asp] perispore, epispore: thick, distincly halonate | ornamented, rough, warted, striate, cracked
secondary metabolites: absent
primary photobiont: present
secondary photobionts (eg in cephalodia): absent
primary photobiont: chlorophytaceous – trentepohliaceous, trentepohlioid

[*] 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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