LiasLight

LIAS light – Item Descriptions


LIASlight ItemID: 7648

Arthonia sexlocularis Zahlbr.

Characters[*]:Character States[*]:
global occurrence: Eurasia – Europe | Americas – North America (incl Mexico)
substrate: bark, cork, plant surface – trunks, branches, twigs
[th] upper surface: white(ish) | white(ish) grey
[th marginal and upper surface] specific structures: absent
ascomata: absent | present
ascoma: apothecial, apothecioid – hymenial
ascoma [mm]: (low) 0.1 (high) 0.3
ascoma: immersed, innate
[ascm, if apoth] disc, mazaedium: grey(ish) black
[ascm, if apoth] disc, mazaedium: epruinose | pruinose
[ascm, if apoth] disc, mazaedium pruina: scarce, sparse, fine | dense
[ascm, if apoth] margin excipular photobionts: absent
[ascm] paraphyses/-oids: present
[ascm] paraphyses/-oid cells width [µm]: (low) 1.0 (high) 3.0
[ascm] paraphyses/-oid apical cells width [µm]: (median) 3.0
[ascm] epihymenium, epithecium: green(ish) brown (olive brown) | yellow(ish) brown
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: subglobose, subspherical | ovoid, ovate
[asp] length [µm]: (low) 30.0 (high) 40.0
[asp] width [µm]: (low) 20.0 (high) 26.0
[asp] septa: present
[asp] septa: transversely septate
[asp] transversal septa: (low) 5.0 (high) 7.0
[asp] pigmentation: hyaline, colourless
[asp] perispore, epispore: thin, thinly halonate | ornamented, rough, warted, striate, cracked
conidiomata: absent | present
conidia: bacilliform, bacillar
[co] length [µm]: (low) 3.0 (high) 4.5
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.


© 2001–2024 by Botanische Staatssammlung München
Impressum · Disclaimer · Webmaster