LiasLight

LIAS light – Item Descriptions


LIASlight ItemID: 6195

Tomasellia americana (Willey) R. C. Harris

Characters[*]:Character States[*]:
global occurrence: Americas – North America (incl Mexico)
substrate: bark, cork, plant surface – trunks, branches, twigs
life habit: saprobic (on decaying organic substrate)
thallus: crustose (crustaceous) – endosubstratal, inconspicuous, immersed
thallus: continuous, diffuse, effuse
[th] upper surface: white(ish)
[th marginal and upper surface] specific structures: absent
ascomata: absent | present
ascoma: perithecial, perithecioid – hymenial
ascoma [mm]: (low) 0.1 (high) 0.2
ascoma: immersed, innate
[ascm, if apoth] margin surface; [if perith] periostiolar area, ostiole, involucrellum: black(ish)
[ascm] paraphyses/-oids: present
asci: fissitunicate – bitunicate
[asc] tholus amyloidity (iodine reaction): absent
ascospores: (median) 8.0
[asp] shape: clavate
[asp] length [µm]: (low) 15.0 (high) 17.0
[asp] width [µm]: (low) 3.0 (high) 4.5
[asp] septa: present
[asp] septa: transversely septate
[asp] transversal septa: (median) 3.0
[asp] pigmentation: hyaline, colourless
[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.


© 2001–2022 by Botanische Staatssammlung M√ľnchen
Impressum · Disclaimer · Webmaster