LiasLight

LIAS light – Item Descriptions


LIASlight ItemID: 7653

Arthonia tremelloides Etayo

Characters[*]:Character States[*]:
global occurrence: Americas – North America (incl Mexico) | Americas – South and Central America
substrate: lichens, lichenized fungi
life habit: lichenicolous (in/on lichens)
[th marginal and upper surface] specific structures: absent
ascomata: absent | present
ascoma: apothecial, apothecioid – hymenial
ascoma [mm]: (low) 0.3 (high) 0.9 (max) 1.3
[ascm, if apoth] disc, mazaedium: subconvex, slightly convex | convex
[ascm, if apoth] disc, mazaedium: black(ish)
[ascm, if apoth] disc, mazaedium: epruinose
[ascm, if apoth] disc, mazaedium pruina
[ascm, if apoth] margin excipular photobionts: absent
[ascm] paraphyses/-oids: present
[ascm] paraphyses/-oid cells width [µm]: (median) 3.0
[ascm] epihymenium, epithecium: brown(ish) (if pale: fawn, tan; if mid: cinnamon)
asci: fissitunicate – bitunicate
[asc] tholus: thickened
[asc] tholus amyloidity (iodine reaction): absent | present
[asc] tholus amyloidity pattern: with amyloid tube, ring (= Collema-, Micarea-, Porpidia-, Psora-types etc)
ascospores: (median) 8.0
[asp] shape: ovoid, ovate
[asp] length [µm]: (low) 10.0 (high) 12.0
[asp] width [µm]: (low) 3.0 (high) 4.0
[asp] septa: present
[asp] perispore, epispore: ornamented, rough, warted, striate, cracked
host organism:
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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