LiasLight

LIAS light – Item Descriptions


LIASlight ItemID: 75

Acarospora rhizobola (Nyl.) Alstrup

Characters[*]:Character States[*]:
global occurrence: Americas – North America (incl Mexico) | Arctic
substrate: soil, clay, humus, turf, detritus, dead leaves
life habit: lichenized (mutualistic with algal photobionts)
thallus: squamulose (squamulous)
thallus: compartimentized – areolate, squamulate
[th] upper surface: green(ish) | brown(ish) (if pale: fawn, tan; if mid: cinnamon) | red(dish) | white(ish)
[th upper surface]: epruinose
[th marginal and upper surface] specific structures: absent
[th] morphol substructures (eg areoles, lobes, branches) width [mm]: (median) 4.0
[th] morphol substructures (eg areoles, squamules): discontiguous, dispersed (throughout the thallus)
[th] morphol substructures (eg areoles, lobes, branches) upper surface: squamulose
[th lower surface] specific structures: present
[th lower surface] rhizines, rhizoid structures: present
ascomata: absent | present
ascoma: apothecial, apothecioid – hymenial
ascoma [mm]: (low) 0.3 (high) 0.4
ascoma: immersed, innate
[ascm, if apoth] disc, mazaedium: brown(ish) black | red(dish) brown (if pale: orange brown)
[ascm, if apoth] margin surface; [if perith] periostiolar area, ostiole, involucrellum: green(ish) | brown(ish) (if pale: fawn, tan; if mid: cinnamon) | red(dish)
[ascm] paraphyses/-oids: present
asci: lecanoralean
[asc] tholus: thickened
[asc] tholus amyloidity (iodine reaction): absent
ascospores: (min) 100.0
[asp] shape: ellipsoidal
[asp] length [µm]: (low) 4.0 (high) 5.0
[asp] width [µm]: (low) 2.0 (high) 2.2
[asp] septa: absent – spore lumen unilocular, monolocular
[asp] pigmentation: hyaline, colourless
[asp] perispore, epispore: not apparent
conidiomata: absent | present
[co] length [µm]: (low) 4.0 (high) 5.0
secondary metabolites: absent
primary photobiont: present
secondary photobionts (eg in cephalodia): absent
primary photobiont: chlorophytaceous – trebouxiaceous, chlorococcoid

[*] 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.


© 2001–2021 by Botanische Staatssammlung M√ľnchen
Impressum · Disclaimer · Webmaster