LiasLight

LIAS light – Item Descriptions


LIASlight ItemID: 6127

Thelocarpon epibolum Nyl. var. epibolum

Characters[*]:Character States[*]:
global occurrence: Eurasia – Europe | Americas – North America (incl Mexico) | Arctic
substrate: soil, clay, humus, turf, detritus, dead leaves | bryophytes – mosses, liverworts | lichens, lichenized fungi | wood – dead, living
life habit: saprobic (on decaying organic substrate) | lichenized (mutualistic with algal photobionts) | lichenicolous (in/on lichens) | bryophilous (parasitic on mosses and hepatics)
thallus: crustose (crustaceous) – endosubstratal, inconspicuous, immersed
[th marginal and upper surface] specific structures: absent
[th] morphol substructures (eg areoles, lobes, branches) width [mm]: (low) 0.1 (high) 0.16
ascomata: absent | present
ascoma: apothecial, apothecioid – hymenial | perithecial, perithecioid – hymenial
ascoma [mm]: (low) 0.1 (high) 0.17 (max) 0.2
ascoma: subsessile, subimmersed, adnate, semi-immersed, emergent
[ascm, if apoth] disc, mazaedium: yellow(ish) (if dull: buff)
[ascm, if apoth] disc, mazaedium: pruinose
[ascm, if apoth] disc, mazaedium pruina: scarce, sparse, fine | dense
[ascm, if apoth] margin surface; [if perith] periostiolar area, ostiole, involucrellum: green(ish) | yellow(ish) green
[ascm, if apoth] margin excipular photobionts: absent
[ascm] paraphyses/-oids: present
asci: unitunicate
[asc] tholus: not thickened
[asc] tholus amyloidity (iodine reaction): present
[asc] tholus amyloidity pattern: with amyloid tube, ring (= Collema-, Micarea-, Porpidia-, Psora-types etc) | with amyloid cap (= Icmadophila-, Lecidea-, Pertusaria-types etc)
ascospores: (low) 50.0 (high) 200.0
[asp] shape: oblong, oblong-obtuse
[asp] length [µm]: (min) 4.0 (low) 5.0 (high) 6.0 (max) 7.5
[asp] width [µm]: (min) 1.7 (low) 2.0 (high) 2.5 (max) 3.5
[asp] septa: absent – spore lumen unilocular, monolocular
[asp] pigmentation: hyaline, colourless
[asp] perispore, epispore: not apparent
conidiomata: absent | present
[co] length [µm]: (low) 4.0 (high) 7.0
secondary metabolites: present
secondary metabolites: pulvinic acid
host organism:
primary photobiont: absent | 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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