LiasLight

LIAS light – Item Descriptions


LIASlight ItemID: 7014

Collema tenax (Sw.) Ach.

Characters[*]:Character States[*]:
global occurrence: Africa (incl Madagascar) | Antarctic – Antarctica | Eurasia – Europe | Americas – North America (incl Mexico) | Americas – South and Central America | Arctic
substrate: soil, clay, humus, turf, detritus, dead leaves | rock – calcareous, calciferous, basic
life habit: lichenized (mutualistic with algal photobionts)
thallus: foliose (foliaceous), leaf-like
[th] upper surface: brown(ish) black | brown(ish) green (olivaceous, olive green)
[th marginal and upper surface] specific structures: absent | present
[th margin] cilia, cilioid structures: absent
[th upper surface] isidia, isidioid structures: absent | present
[th upper surface] soredia, soralia, soralioid structures: absent
ascomata: absent | present
ascoma: apothecial, apothecioid – hymenial
ascoma [mm]: (low) 1.5 (high) 3.0
ascoma: sessile, superficial
[ascm, if apoth] disc, mazaedium: plane, flat, flattened, expanded
[ascm, if apoth] disc, mazaedium: brown(ish) (if pale: fawn, tan; if mid: cinnamon) | red(dish) brown (if pale: orange brown)
[ascm, if apoth] margin surface; [if perith] periostiolar area, ostiole, involucrellum: brown(ish) black | brown(ish) green (olivaceous, olive green)
[ascm, if apoth] margin excipular photobionts: present
[ascm, if apoth] subhymenial layers, hypothecium; [if perith] basal excipulum: hyaline, colourless
[ascm] paraphyses/-oids: present
asci: lecanoralean
[asc] tholus: thickened
[asc] tholus amyloidity (iodine reaction): present
[asc] tholus amyloidity pattern: with amyloid tube, ring (= Collema-, Micarea-, Porpidia-, Psora-types etc)
ascospores: (low) 4.0 (high) 8.0
[asp] shape: ellipsoidal | elongate-fusiform, ellipsoidal-fusiform | fusiform
[asp] length [µm]: (low) 15.0 (high) 26.0 (max) 30.0
[asp] width [µm]: (low) 6.5 (high) 10.5 (max) 13.0
[asp] septa: present
[asp] septa: transversely septate | muriformly septate – muriform, submuriform
[asp] transversal septa: (median) 3.0
[asp] pigmentation: hyaline, colourless
[asp] perispore, epispore: not apparent
conidiomata: absent | present
conidia: globose, spherical
[co] length [µm]: (low) 4.0 (high) 6.0
secondary metabolites: absent
primary photobiont: present
secondary photobionts (eg in cephalodia): absent
primary photobiont: cyanobacterial

[*] 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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