LIAS light – Item Descriptions
LIASlight ItemID: 3775
Microcalicium arenarium (Hampe ex A. Massal.) Tibell
| Characters[*]: | Character States[*]: |
|---|---|
| global occurrence: | Eurasia – Asia Extratropical | Oceania – Australasia | Eurasia – Europe | Americas – North America (incl Mexico) | Americas – South and Central America |
| substrate: | soil, clay, humus, turf, detritus, dead leaves | wood – dead, living | rock – siliceous, siliciferous, acidic | rock, stones, pebbles – unspecified |
| life habit: | algicolous (parasitic on eukaryotic algae) | lichenicolous (in/on lichens) |
| thallus: | crustose (crustaceous) – endosubstratal, inconspicuous, immersed |
| [th marginal and upper surface] specific structures: | absent |
| ascomata: | absent | present |
| ascoma: | apothecial, apothecioid – mazaedial |
| ascoma [mm]: | (low) 0.2 (high) 0.3 |
| ascoma: | pedicellate, stipitate, pedunculate, stalked |
| asci: | prototunicate |
| [asc] tholus: | not thickened |
| [asc] tholus amyloidity (iodine reaction): | absent |
| [asp] shape: | ellipsoidal |
| [asp] length [µm]: | (low) 6.0 (high) 8.0 |
| [asp] width [µm]: | (low) 2.0 (high) 3.0 |
| [asp] septa: | present |
| [asp] septa: | transversely septate |
| [asp] transversal septa: | (low) 1.0 (high) 3.0 (max) 7.0 |
| [asp] pigmentation: | green, greenish |
| [asp] perispore, epispore: | ornamented, rough, warted, striate, cracked |
| secondary metabolites: | absent |
| host organism: | |
| primary photobiont: | absent |