LiasLight

LIAS light – Item Descriptions


LIASlight ItemID: 7626

Arthonia brucei Grube

Characters[*]:Character States[*]:
global occurrence: Americas – North America (incl Mexico)
substrate: wood – dead, living | bark, cork, plant surface – trunks, branches, twigs
life habit: lichenicolous (in/on lichens)
[th marginal and upper surface] specific structures: absent
ascomata: absent | present
ascoma: apothecial, apothecioid – hymenial
ascoma [mm]: (low) 0.5 (high) 1.0
[ascm, if apoth] disc, mazaedium: plane, flat, flattened, expanded | subconvex, slightly convex
[ascm, if apoth] disc, mazaedium: black(ish)
[ascm, if apoth] margin excipular photobionts: absent
[ascm] paraphyses/-oids: present
[ascm] paraphyses/-oid apical cells width [µm]: (median) 2.0
[ascm] epihymenium, epithecium: green(ish) brown (olive brown) | yellow(ish) brown
asci: fissitunicate – bitunicate
[asc] tholus: thickened
ascospores: (min) 6.0(median) 8.0
[asp] shape: ellipsoidal
[asp] length [µm]: (low) 48.0 (high) 52.0
[asp] width [µm]: (low) 21.0 (high) 25.0
[asp] septa: present
[asp] septa: transversely septate | muriformly septate – muriform, submuriform
[asp] transversal septa: (low) 9.0 (high) 11.0
[asp] pigmentation: hyaline, colourless
secondary metabolites: absent
primary photobiont: absent

[*] 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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