
LIAS light – Item Descriptions
LIASlight ItemID: 6043
Stromatella bermudana (Riddle) Henssen
Characters[*]: | Character States[*]: |
---|---|
global occurrence: | Americas – North America (incl Mexico) |
substrate: | rock – calcareous, calciferous, basic |
life habit: | lichenized (mutualistic with algal photobionts) |
thallus: | crustose (crustaceous) – episubstratal – unspecified |
thallus: | compartimentized – areolate, squamulate |
[th] upper surface: | black(ish) |
[th marginal and upper surface] specific structures: | absent |
[th] morphol substructures (eg areoles, lobes, branches) width [mm]: | (low) 0.5 (high) 2.0 |
ascomata: | absent | present |
ascoma: | apothecial, apothecioid – hymenial |
ascoma [mm]: | (median) 0.75 |
[ascm, if apoth] margin surface; [if perith] periostiolar area, ostiole, involucrellum: | red(dish) |
[ascm] paraphyses/-oids: | present |
asci: | prototunicate |
[asc] tholus: | not thickened |
[asc] tholus amyloidity (iodine reaction): | absent |
ascospores: | (median) 8.0 |
[asp] shape: | broadly ellipsoidal |
[asp] length [µm]: | (min) 12.5 (low) 15.0 (high) 17.5 (max) 20.0 |
[asp] width [µm]: | (median) 7.5 (max) 10.0 |
[asp] septa: | absent – spore lumen unilocular, monolocular |
[asp] pigmentation: | hyaline, colourless |
conidiomata: | absent | present |
conidia: | cylindrical |
[co] length [µm]: | (median) 3.0 |
secondary metabolites: | absent |
primary photobiont: | present |
secondary photobionts (eg in cephalodia): | absent |
primary photobiont: | cyanobacterial |