to LIAS


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



Lecidea atomaria Th. Fr.

Data Set Maintenance: Data set standard item. Data set author(s): Hertel H. (99-01-01). Data set not revised.

Nomenclature: Current taxonomic status: basionymous or accepted. Taxonomic rank: species. Lecidea. Synonyms:-; Lecideaceae Chevall. (1826); Lecanorales.

Type Information: Protologue: Fries T.M., Bot. Notiser 1865: 110 (1865); type specimen label data: Sweden, Västergötland, Billingen, på hyperit-lager, August 1864, P.T. Cleve (UPS, holotype).

Taxonomic Literature: Taxonomic notes: Variability of characters very insufficiently known. Fries T.M., Lichenogr. Scand. 561-562 (1874); Magnusson H., Bot. Notiser 108: 33 (1955); Hertel H., Decheniana 127: 62 (1975); Nowak J., Tobolewski Z., Porosty Polskie (Warszawa & Kraków) 567 (1975); Clauzade G., Roux C., Bull. Soc. Bot. Centre-Ouest, nouv. ser., num. spec. 7: 470 (1985); Hertel H., Biblioth. Lichenol. 58: 153-154 (1995).

Biogeography: Montane. Continent: Europe (Su).

Ecology: Biotroph; lichenized; normally endosubstratic or episubstratic; substrate non-calciferous.

Thallus: Not subdivided parts, granular, continuous throughout, dispersed along the periphery, continuous in the centre, or dispersed throughout and distinctly seperate; lobes angular at the front; separate thallus parts 0-.1 mm thick. Thallus Size and Differentiation: Large; main branches basally not constricted. Thallus Outline: Margin concolorous the thallus centre. Upper Surface: White, lemon (citrine), brownish yellow, or pale grey, plane; not sorediate; without thalloconidia thalloconidia.

Medulla: Iodine reaction in Lugol's solution negative.

Ascocarps: Soon sessile, slightly constricted or strongly constricted at the base, 150-250 per cm², .2-.35-(.35) mm in diam.. Margin: Not flexuose, indistinct, 20-35 µm wide, epruinose. Disk: Plane or weakly convex, black, epruinose, without an umbo. Exciple: Hyphae radiating outwards; grey; not inspersed with crystals. Epithecium: Apical cells turquoise, cell pigment reacting with 10% HCl (in H2O), cell pigment HCl+ blue. Hymenium: 25-35 µm high; pale green; iodine reaction: Lugol’s positive. Subhymenium: 0-8 µm high; white or pale green. Hypothecium: White.

Ascospores: Ellipsoid, (5)-6-7-(9) µm long, (2)-2-2.5-(3) µm wide; wall not ornamented.

Secondary Metabolites: Not detected.

Spot Tests: Medulla: K –, C –, PD – ascocarp margin (in section): K –, C – disk: C – hypothecium: K – epihymenium: K –.

(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.

LIAS Home