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Bacidina crystallifera S. Ekman

Data Set Maintenance: Data set compiled and standard item. Data set author(s): Kainz C. (02-09-05). Data set not revised; to be published after submission.

Nomenclature: Current taxonomic status: accepted or basionymous. Taxonomic rank: species. Bacidina. Lecanoraceae Körb. (1855); Lecanorales.

Taxonomic Literature: Ekman S., Opera Botanica 127: 1-148 [119-120] (1996).

Biogeography: Continent: Northern America (Florida, coastal Georgia, and southern Louisiana, endemic ?).

Ecology: Biotroph; lichenized; corticolous.

Thallus: Crustose, not subdivided parts, slightly rimose or areolate (primarily areolate); separate thallus parts thin. Thallus Outline: Irregular.

Reproduction Strategy: With sexual (and possible asexual) stages. Ascocarps: Apothecioid, forming independently from the host thallus or mycelium, .2-.3-.5 mm in diam.. Margin: Lecideine/biatorine, excluded, distinct. Disk: Plane or weakly convex (later), pale red ("pale pink or pale orange-pink"), pruinose (thin, at least when young). Exciple: Not carbonized. Parathecium (proper excipulum): White, inspersed with crystals (at least in the upper part with minute and evenly dispersed crystals along the rim (up to 1 µm)). Epithecium: Apical cells slightly swollen. Hymenium: 59-66-70 µm high; white (at least partially with minute crystals in the upper part, usually as a distinct, continuous layer). Hypothecium: Very pale yellow or white.

Ascospores: Oval (acicular and straight, curved, or sigmoid), (32)-40-46-52-(72) µm long, (1.2)-1.4-1.6-1.7-(1.9) µm wide; septa present ((3-)4.6-5.7-6.7(-13) septa).

Secondary Metabolites: Present (sometimes small amounts of an unidentified pigment (Rubella Orange ?) in the hypothecium).

(report generated 04.Okt.2007)

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