LiasLight

LIAS light – Item Descriptions


LIASlight ItemID: 4752

Physma byrsaeum (Ach.) Tuck.

Characters[*]:Character States[*]:
global occurrence: Africa (incl Madagascar) | Eurasia – Asia Extratropical | Oceania – Australasia | Americas – North America (incl Mexico) | Americas – South and Central America | Oceania – Pacific Islands (Melanesia, Micronesia, Polynesia) | Eurasia – Asia Tropical
substrate: bark, cork, plant surface – trunks, branches, twigs
life habit: lichenized (mutualistic with algal photobionts)
thallus: foliose (foliaceous), leaf-like
[th] upper surface: black(ish) | grey(ish) | brown(ish) (if pale: fawn, tan; if mid: cinnamon) | brown(ish) green (olivaceous, olive green)
[th marginal and upper surface] specific structures: absent
[th] morphol substructures (eg areoles, lobes, branches) width [mm]: (low) 1.3 (high) 10.0
[th] morphol substructures (eg areoles, lobes, branches) upper surface: smooth, plane | rugose, plicate, folded, pustulate, faveolate, wrinkled
[th] lower surface: brown(ish) (if pale: fawn, tan; if mid: cinnamon)
[th lower surface] specific structures: absent | present
[th lower surface] rhizines, rhizoid structures: absent | present
[th lower surface] rhizines, rhizinoid structures: fasciculate | branched – unspecified
ascomata: absent | present
ascoma: apothecial, apothecioid – hymenial
ascoma [mm]: (low) 1.5 (high) 4.0
ascoma: sessile, superficial
[ascm, if apoth] disc, mazaedium: concave | plane, flat, flattened, expanded | subconvex, slightly convex
[ascm, if apoth] disc, mazaedium: red(dish) yellow (orange, orange yellow) | red(dish) brown (if pale: orange brown)
[ascm] paraphyses/-oids: present
asci: lecanoralean
ascospores: (median) 8.0
[asp] shape: ellipsoidal
[asp] length [µm]: (low) 13.0 (high) 20.0
[asp] width [µm]: (low) 10.0 (high) 13.0
[asp] septa: absent – spore lumen unilocular, monolocular
[asp] pigmentation: hyaline, colourless
[asp] perispore, epispore: ornamented, rough, warted, striate, cracked
conidiomata: absent | present
conidia: cylindrical
[co] length [µm]: (low) 3.0 (high) 4.0
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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