LiasLight

LIAS light – Item Descriptions


LIASlight ItemID: 14382

Opegrapha diffracticola R. C. Harris & Ladd

Characters[*]:Character States[*]:
global occurrence: Americas – North America (incl Mexico)
substrate: lichens, lichenized fungi
life habit: lichenicolous (in/on lichens)
thallus: crustose (crustaceous) – endosubstratal, inconspicuous, immersed
[th marginal and upper surface] specific structures: absent
ascomata: absent | present
ascoma: apothecial, apothecioid – hymenial
ascoma [mm]: (low) 0.1 (high) 0.2
ascoma: immersed, innate | subsessile, subimmersed, adnate, semi-immersed, emergent | sessile, superficial
[ascm, if apoth] subhymenial layers, hypothecium; [if perith] basal excipulum: brown(ish) (if pale: fawn, tan; if mid: cinnamon) | hyaline, colourless
[ascm] paraphyses/-oids: present
[ascm] epihymenium, epithecium: yellow(ish) brown
asci: fissitunicate – bitunicate
[asc] tholus: thickened
[asc] tholus amyloidity (iodine reaction): present
[asc] tholus amyloidity pattern: with amyloid tube, ring (= Collema-, Micarea-, Porpidia-, Psora-types etc)
ascospores: (median) 8.0
[asp] length [µm]: (low) 13.0 (high) 15.0 (max) 16.0
[asp] width [µm]: (low) 4.5 (high) 5.5
[asp] septa: present
[asp] septa: transversely septate
[asp] transversal septa: (median) 3.0
[asp] pigmentation: hyaline, colourless
[asp] perispore, epispore: thin, thinly halonate
conidiomata: absent | present
conidia: bacilliform, bacillar
[co] length [µm]: (low) 4.5 (high) 5.5
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.


© 2001–2020 by Botanische Staatssammlung M√ľnchen
Impressum · Disclaimer · Webmaster