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LIAS light – Item Descriptions
LIASlight ItemID: 12250
Strigula hypothallina R. C. Harris
Characters[*]: | Character States[*]: |
---|---|
global occurrence: | Americas – North America (incl Mexico) |
substrate: | bark, cork, plant surface – trunks, branches, twigs |
life habit: | lichenized (mutualistic with algal photobionts) |
thallus: | crustose (crustaceous) – episubstratal – unspecified |
[th] upper surface: | brown(ish) (if pale: fawn, tan; if mid: cinnamon) |
[th upper surface]: | epruinose |
[th marginal and upper surface] specific structures: | absent |
[th] morphol substructures (eg areoles, lobes, branches) upper surface: | smooth, plane |
ascomata: | absent | present |
ascoma: | perithecial, perithecioid – hymenial |
ascoma [mm]: | (low) 0.5 (high) 0.8 |
ascoma: | immersed, innate |
[ascm, if apoth] subhymenial layers, hypothecium; [if perith] basal excipulum: | black(ish) |
[ascm] paraphyses/-oids: | present |
asci: | fissitunicate – bitunicate |
[asc] tholus: | thickened |
[asc] tholus amyloidity (iodine reaction): | absent |
ascospores: | (median) 8.0 |
[asp] shape: | ovoid, ovate |
[asp] length [µm]: | (low) 17.0 (high) 22.0 |
[asp] width [µm]: | (low) 5.0 (high) 6.0 |
[asp] septa: | present |
[asp] septa: | transversely septate |
[asp] transversal septa: | (median) 1.0 |
[asp] pigmentation: | hyaline, colourless |
[asp] perispore, epispore: | not apparent |
conidiomata: | absent | present |
secondary metabolites: | absent |
primary photobiont: | present |
secondary photobionts (eg in cephalodia): | absent |
primary photobiont: | chlorophytaceous – trentepohliaceous, trentepohlioid |