LiasLight

LIAS light – Item Descriptions


LIASlight ItemID: 2274

Heppia conchiloba Zahlbr.

Characters[*]:Character States[*]:
global occurrence: Americas – North America (incl Mexico)
substrate: soil, clay, humus, turf, detritus, dead leaves | rock – siliceous, siliciferous, acidic | rock – calcareous, calciferous, basic
life habit: lichenized (mutualistic with algal photobionts)
thallus: squamulose (squamulous) | peltate, umbilicate
[th] upper surface: grey(ish) | brown(ish) (if pale: fawn, tan; if mid: cinnamon)
[th upper surface]: pruinose
[th marginal and upper surface] specific structures: present
[th margin] cilia, cilioid structures: absent
[th upper surface] isidia, isidioid structures: absent
[th upper surface] soredia, soralia, soralioid structures: present
[th] morphol substructures (eg areoles, lobes, branches) width [mm]: (min) 8.0
ascomata: absent | present
ascoma: apothecial, apothecioid – hymenial
ascoma [mm]: (median) 1.5
[ascm, if apoth] disc, mazaedium: strongly concave, excavate, urceolate | concave
[ascm] paraphyses/-oids: present
asci: prototunicate
[asc] tholus: not thickened
ascospores: (median) 8.0
[asp] shape: ellipsoidal | fusiform
[asp] length [µm]: (low) 18.0 (high) 20.0
[asp] width [µm]: (low) 8.0 (high) 13.0
[asp] septa: absent – spore lumen unilocular, monolocular
[asp] pigmentation: hyaline, colourless
[asp] perispore, epispore: not apparent
conidiomata: absent | present
conidia: fusiform
[co] length [µm]: (low) 2.5 (high) 3.5
secondary metabolites: absent
primary photobiont: present
secondary photobionts (eg in cephalodia): absent
primary photobiont: cyanobacterial

[*] 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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