Botanische Staatssammlung München © 1995–2008
Data remain intellectual property of the data set authors.

Edrudia constipans (Nyl.) M. M. Jord.

Data Set Maintenance: Data set compiled and standard item. Data set author(s): Kainz C. (02-11-19). Data set not revised; to be published after submission.

Nomenclature: Current taxonomic status: accepted. Taxonomic rank: species. Edrudia. Synonyms: Lecanora constipans Nyl.; Polycauliona constipans (Nyl.) Hue; Caloplaca constipans (Nyl.) Zahlbr.; Thamnoma constipans (Nyl.) Gyeln.; Lecanoraceae Körb. (1855); Lecanorales.

Type Information: Basionym: Placodium constipans Nyl. 1888.

Taxonomic Literature: Jordan W.P., The Bryologist 83: 64-67 (1980).

Biogeography: Coastal. Continent: Northern America (only known from California, Farallon Islands). Checklist records: United States and Canada (continental).

Ecology: Biotroph; lichenized; episubstratic.

Thallus: Crustose (dwarf-fruticose, forming dense cushions, commonly 15-25 mm broad), squamulose (dwarf-fruticose, forming dense cushions, commonly 15-25 mm broad); separate thallus parts thick. Upper Surface: Occasionally black, white (basal portions), or orange.

Upper Cortex: Present.

Reproduction Strategy: With sexual (and possible asexual) stages (treminal on branches, commonly eccentrically attached). Ascocarps: Apothecioid, forming independently from the host thallus or mycelium. Margin: Lecanorine, strongly flexuose (becoming), persistent, prominent. Disk: Strongly excavate (becoming), yellowish red. Epithecium: Apical cells distinctly swollen (often), orange. Hymenium: 48-68 µm high. Interascal Hyphae: Scarcely branched. Hypothecium: 36-62 µm high; yellow or white.

Asci: 34-45 µm long, 10-15 µm wide.

Ascospores: c. 8 per ascus, spores 8 per ascus, ellipsoid, 9.5-14.5 µm long, 4.6-6 µm wide; septa absent (ascospores simple, not polarilocular, commonly with an incomplete transverse cytoplasmic band).

Conidiomata: Present.

Conidia: Filiform; 17-22 µm long, 1 µm wide.

Secondary Metabolites: Present (thallus cortex K+ blood-red (parietin)), of the following substance class(es): (anthra-)quinones.

Spot Tests: Upper surface: C –, KC –, PD –.

(report generated 04.Okt.2007)

In case that additional characters and states are required to be included in this data set, consult the LIAS Instructions to Participants and follow the procedures described there.