to LIAS


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



Lecidea protabacina Nyl.

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: Nylander W. in Hasse H.E., Bull. Southern Calif. Acad. 2: 60 (1903); type specimen label data: USA, California, summit of San Gabriel Range, c. 3000 m, granite, 1897, H.E. Hasse 799 (W, isotype).

Biogeography: Colline, montane, and alpine. Continent: Northern America (California).

Ecology: Biotroph; lichenized; episubstratic; substrate non-calciferous.

Thallus: Areolate (primarily areolate), subsquamulose, continuous throughout or dispersed along the periphery, continuous in the centre; lobes rounded at the front; separate thallus parts.5-.8 mm thick. Thallus Size and Differentiation: Large; main branches basally not constricted or basally constricted. Thallus Outline: Margin concolorous the thallus centre. Upper Surface: Brown, convex; not sorediate; without thalloconidia thalloconidia.

Upper Cortex: Epicortex present. Medulla: Iodine reaction in Lugol's solution positive.

Ascocarps: Soon sessile, slightly constricted at the base, up to (2.1) mm in diam.. Margin: Not flexuose or slightly flexuose, excluded, 45-60 µm wide, epruinose. Disk: Weakly convex to strongly convex, black, epruinose, without an umbo. Exciple: Grey; inspersed with crystals. Epithecium: Apical cells turquoise. Hymenium: 45-50 µm high; white; iodine reaction: Lugol’s positive (TEST). Subhymenium: 45-55 µm high; white or pale green. Hypothecium: White.

Ascospores: Ellipsoid, (6)-7.5-7.9-(10) µm long, (3)-3.5-3.7-(4.5) µm wide; wall not ornamented.

Secondary Metabolites: Present, stictic acid (VERMUTUNG!).

Spot Tests: Medulla: K + yellow, C –, PD + orange; ascocarp margin (in section): K – or + deep yellow, C – disk: C – hypothecium: K + purplish brown (chinoide reaction).

(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