LiasLight

LIAS light – Item Descriptions


LIASlight ItemID: 7690

Porocyphus dimorphus Henssen

Characters[*]:Character States[*]:
global occurrence: Africa (incl Madagascar)
substrate: rock, stones, pebbles – unspecified
life habit: lichenized (mutualistic with algal photobionts)
thallus: squamulose (squamulous) | subfruticose (subfruticous), fruticulose, dactyliform
thallus: continuous, diffuse, effuse
[th] upper surface: black(ish)
[th marginal and upper surface] specific structures: absent
[th] morphol substructures (eg areoles, lobes, branches) width [mm]: (median) 0.04
ascomata: absent | present
ascoma: apothecial, apothecioid – hymenial
ascoma [mm]: (min) 0.2
ascoma: subsessile, subimmersed, adnate, semi-immersed, emergent | sessile, superficial
[ascm, if apoth] disc, mazaedium: red(dish) brown (if pale: orange brown)
[ascm] paraphyses/-oids: present
asci: prototunicate
[asc] tholus: not thickened
[asc] tholus amyloidity (iodine reaction): absent
ascospores: (median) 8.0
[asp] shape: ellipsoidal | oval
[asp] length [µm]: (low) 7.0 (high) 10.0
[asp] width [µm]: (low) 5.0 (high) 6.0
[asp] septa: absent – spore lumen unilocular, monolocular
[asp] pigmentation: hyaline, colourless
[asp] perispore, epispore: not apparent
conidiomata: absent | present
conidia: cylindrical
[co] length [µm]: (low) 2.0 (high) 3.0
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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