LIAS light – Item Descriptions
LIASlight ItemID: 5182
Pyrenopsis furfurea (Nyl.) Leight.
Characters[*]: | Character States[*]: |
---|---|
global occurrence: | Eurasia – Asia Extratropical | Eurasia – Europe | Americas – North America (incl Mexico) | Arctic |
substrate: | rock, stones, pebbles – unspecified |
life habit: | lichenized (mutualistic with algal photobionts) |
thallus: | crustose (crustaceous) – episubstratal – unspecified |
thallus: | compartimentized – areolate, squamulate |
[th] upper surface: | brown(ish) black |
[th marginal and upper surface] specific structures: | absent |
ascomata: | absent | present |
ascoma: | apothecial, apothecioid – hymenial |
ascoma [mm]: | (min) 0.3 |
[ascm, if apoth] disc, mazaedium: | strongly concave, excavate, urceolate | plane, flat, flattened, expanded |
[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] paraphyses/-oid cells width [µm]: | (low) 2.0 (high) 2.5 |
asci: | prototunicate |
[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] shape: | subglobose, subspherical | broadly ellipsoidal |
[asp] length [µm]: | (low) 10.0 (high) 12.0 (max) 18.0 |
[asp] width [µm]: | (low) 7.0 (high) 10.0 |
[asp] septa: | absent – spore lumen unilocular, monolocular |
[asp] pigmentation: | hyaline, colourless |
[asp] perispore, epispore: | not apparent |
secondary metabolites: | absent |
primary photobiont: | present |
secondary photobionts (eg in cephalodia): | absent |
primary photobiont: | cyanobacterial |