LiasLight

LIAS light – Item Descriptions


LIASlight ItemID: 4873

Polyblastia terrestris Th. Fr.

Characters[*]:Character States[*]:
global occurrence: Eurasia – Europe | Americas – North America (incl Mexico) | Arctic
substrate: soil, clay, humus, turf, detritus, dead leaves | bryophytes – mosses, liverworts | rock – siliceous, siliciferous, acidic | rock, stones, pebbles – unspecified
life habit: lichenized (mutualistic with algal photobionts)
thallus: crustose (crustaceous) – episubstratal – unspecified | subsquamulose (subsquamulous)
thallus: compartimentized – areolate, squamulate
[th] upper surface: grey(ish) | brown(ish) (if pale: fawn, tan; if mid: cinnamon) | grey(ish) green
[th marginal and upper surface] specific structures: absent | present
[th margin] cilia, cilioid structures: absent
[th upper surface] isidia, isidioid structures: absent
[th upper surface] soredia, soralia, soralioid structures: absent
[th] morphol substructures (eg areoles, lobes, branches) width [mm]: (low) 0.08 (high) 0.3
[th] morphol substructures (eg areoles, lobes, branches) upper surface: smooth, plane | granulose, granular | verrucose, warted | subsquamulose | cracked, fissured, fractured, rimulose, subrimose
ascomata: absent | present
ascoma: perithecial, perithecioid – hymenial
ascoma [mm]: (low) 0.4 (high) 0.7 (max) 0.8
ascoma: immersed, innate | subsessile, subimmersed, adnate, semi-immersed, emergent
[ascm] paraphyses/-oids: absent
asci: fissitunicate – verrucarialean
[asc] tholus: thickened
[asc] tholus amyloidity (iodine reaction): absent
ascospores: (median) 8.0
[asp] shape: ellipsoidal
[asp] length [µm]: (min) 39.0 (low) 51.0 (high) 68.0 (max) 81.0
[asp] width [µm]: (min) 22.0 (low) 26.0 (high) 34.0 (max) 40.0
[asp] septa: present
[asp] septa: muriformly septate – muriform, submuriform
[asp] pigmentation: hyaline, colourless | pale brown | yellowish brown
[asp] perispore, epispore: not apparent
secondary metabolites: absent
primary photobiont: present
secondary photobionts (eg in cephalodia): present
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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