LiasLight

LIAS light – Item Descriptions


LIASlight ItemID: 3832

Mycocalicium americanum R. Sant.

Characters[*]:Character States[*]:
global occurrence: Oceania – Australasia | Americas – North America (incl Mexico) | Americas – South and Central America
substrate: wood – dead, living
life habit: saprobic (on decaying organic substrate)
thallus: crustose (crustaceous) – endosubstratal, inconspicuous, immersed | leprose, leprarioid, powdery, byssoid
thallus: continuous, diffuse, effuse
[th] upper surface: green(ish) | green(ish) grey
[th upper surface]: epruinose
[th marginal and upper surface] specific structures: absent
ascomata: absent | present
ascoma: apothecial, apothecioid – hymenial
ascoma [mm]: (low) 0.25 (high) 0.7
ascoma: pedicellate, stipitate, pedunculate, stalked
[ascm, if apoth] disc, mazaedium: plane, flat, flattened, expanded | subconvex, slightly convex
[ascm, if apoth] disc, mazaedium: black(ish)
[ascm, if apoth] disc, mazaedium: epruinose
[ascm, if apoth] margin surface; [if perith] periostiolar area, ostiole, involucrellum: black(ish)
[ascm, if apoth] margin excipular photobionts: absent
[ascm, if apoth] subhymenial layers, hypothecium; [if perith] basal excipulum: brown(ish) (if pale: fawn, tan; if mid: cinnamon)
[ascm] paraphyses/-oids: present
[ascm] epihymenium, epithecium: brown(ish) (if pale: fawn, tan; if mid: cinnamon)
asci: prototunicate
[asc] tholus: not thickened
[asc] tholus amyloidity (iodine reaction): absent
ascospores: (median) 8.0
[asp] shape: ellipsoidal
[asp] length [µm]: (low) 6.0 (high) 9.0 (max) 11.0
[asp] width [µm]: (low) 3.0 (high) 4.5
[asp] septa: absent – spore lumen unilocular, monolocular
[asp] pigmentation: medium brown, brownish
[asp] perispore, epispore: not apparent
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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