LIAS light – Item Descriptions
LIASlight ItemID: 15082
Phaeocalicium matthewsianum Selva & Tibell
| Characters[*]: | Character States[*]: |
|---|---|
| global occurrence: | Americas – North America (incl Mexico) |
| substrate: | bark, cork, plant surface – trunks, branches, twigs |
| life habit: | phytopathogenic (pathogenic on kormophytes) |
| thallus: | crustose (crustaceous) – endosubstratal, inconspicuous, immersed |
| [th marginal and upper surface] specific structures: | absent |
| ascomata: | absent | present |
| ascoma: | apothecial, apothecioid – hymenial |
| ascoma [mm]: | (min) 0.06 (low) 0.13(median) 0.2 (high) 0.28 (max) 0.42 |
| ascoma: | pedicellate, stipitate, pedunculate, stalked |
| [ascm, if apoth] disc, mazaedium: | black(ish) | brown(ish) (if pale: fawn, tan; if mid: cinnamon) |
| [ascm, if apoth] margin surface; [if perith] periostiolar area, ostiole, involucrellum: | brown(ish) (if pale: fawn, tan; if mid: cinnamon) |
| [ascm] paraphyses/-oids: | present |
| asci: | prototunicate |
| [asc] tholus: | not thickened |
| [asc] tholus amyloidity (iodine reaction): | absent |
| ascospores: | (median) 8.0 |
| [asp] shape: | ellipsoidal |
| [asp] length [µm]: | (min) 12.5 (low) 14.7(median) 16.5 (high) 18.2 (max) 22.5 |
| [asp] width [µm]: | (min) 4.8 (low) 4.8(median) 5.4 (high) 6.0 (max) 7.5 |
| [asp] septa: | present |
| [asp] septa: | transversely septate |
| [asp] transversal septa: | (median) 3.0 |
| [asp] pigmentation: | medium brown, brownish |
| [asp] perispore, epispore: | not apparent | ornamented, rough, warted, striate, cracked |
| secondary metabolites: | absent |
| primary photobiont: | absent |