LIAS light – Item Descriptions
LIASlight ItemID: 13631
Calicium sequoiae C. B. Williams & Tibell
| Characters[*]: | Character States[*]: |
|---|---|
| global occurrence: | Americas – North America (incl Mexico) |
| substrate: | bark, cork, plant surface – trunks, branches, twigs |
| life habit: | lichenized (mutualistic with algal photobionts) |
| thallus: | crustose (crustaceous) – endosubstratal, inconspicuous, immersed | crustose (crustaceous) – episubstratal – unspecified |
| thallus: | granular, granulose, granulate |
| [th] upper surface: | yellow(ish) (if dull: buff) | yellow(ish) green |
| [th marginal and upper surface] specific structures: | absent |
| ascomata: | absent | present |
| ascoma: | apothecial, apothecioid – mazaedial |
| ascoma [mm]: | (min) 0.18 (low) 0.23 (high) 0.42 (max) 0.49 |
| ascoma: | pedicellate, stipitate, pedunculate, stalked |
| [ascm, if apoth] disc, mazaedium: | convex | distinctly convex | strongly convex, hemispherical, (sub-)globose |
| [ascm, if apoth] disc, mazaedium: | black(ish) |
| [ascm, if apoth] disc, mazaedium: | pruinose |
| [ascm, if apoth] disc, mazaedium pruina: | dense |
| [ascm, if apoth] margin surface; [if perith] periostiolar area, ostiole, involucrellum: | black(ish) |
| [ascm, if apoth] subhymenial layers, hypothecium; [if perith] basal excipulum: | brown(ish) (if pale: fawn, tan; if mid: cinnamon) |
| asci: | prototunicate |
| [asc] tholus: | not thickened |
| [asc] tholus amyloidity (iodine reaction): | absent |
| [asp] shape: | ellipsoidal |
| [asp] length [µm]: | (min) 6.8 (low) 8.5 (high) 11.0 (max) 12.8 |
| [asp] width [µm]: | (min) 3.0 (low) 3.4 (high) 4.4 (max) 4.8 |
| [asp] septa: | present |
| [asp] septa: | transversely septate |
| [asp] transversal septa: | (median) 1.0 |
| [asp] pigmentation: | grey, greyish | greyish brown |
| [asp] perispore, epispore: | ornamented, rough, warted, striate, cracked |
| secondary metabolites: | present |
| secondary metabolites: | decarboxythamnolic acid | protocetraric acid | squamatic acid | thamnolic acid |
| primary photobiont: | present |
| secondary photobionts (eg in cephalodia): | absent |
| primary photobiont: | chlorophytaceous – trebouxiaceous, chlorococcoid |