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

Lecidea rapax Hertel

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: Hertel H., Herzogia 1: 426-427 (1970); type specimen label data: Switzerland, Graubünden: Silvretta, Hänge oberhalb des Riezenjoches, über der Heidelberger Hütte, Val Fenga, 2400 m, 7 August 1967, J. Poelt & M. Steiner (GZU, holotype).

Taxonomic Literature: Taxonomic notes: In contrast to the youth-parasit Lecidea leprosolimbata, L. rapax remain a lichenicolous lichens throughout its whole life circle. Türk R., Wittmann H., Sauteria 3: 229 (1987 - distrib. map for Salzburg, Austria); Türk R., Poelt J., Österr. Akad. Wiss., Biosystematics and Ecology Ser. 3: 64 (1993 - bibliography of Austrian lichens); Hertel H., Biblioth. Lichenol. 58: 169 (1995).

Biogeography: Alpine. Continent: Europe (Au, Ga, He, It).

Ecology: Biotroph (matrix: Bellemerea alpina, B. cinereorufescens); lichenicolous (matrix: Bellemerea alpina, B. cinereorufescens); episubstratic. Host or Phorophyte Taxonomy: Bellemerea.

Thallus: Areolate (primarily areolate), continuous throughout; lobes angular or rounded at the front; separate thallus parts.3-.6 mm thick. Thallus Size and Differentiation: Large or normally small; main branches basally not constricted or basally constricted. Thallus Outline: Margin concolorous the thallus centre. Upper Surface: Brown (beige to light brown), plane or convex; not sorediate; without thalloconidia thalloconidia.

Upper Cortex: Epicortex present. Medulla: Iodine reaction rarely in Lugol's solution negative or normally in Lugol's solution positive.

Ascocarps: Soon sessile, rarely not constricted or slightly constricted at the base, 30-110 per cm², .7-1-(1.7) mm in diam.. Margin: Not flexuose, persistent or excluded, 40-70 µm wide, epruinose. Disk: Plane, weakly convex, or strongly convex, black, epruinose, pruina rarely scarce, without an umbo. Exciple: Hyphae radiating outwards; 3-4 µm wide; grey; inspersed with crystals. Epithecium: Apical cells olive to turquoise, cell pigment HCl+ blue. Hymenium: 45-60 µm high; white; iodine reaction: Lugol’s positive. Subhymenium: 20-55 µm high; white. Hypothecium: Brown.

Ascospores: Ellipsoid to oblong, (6.5)-8.2-9.1-(10) µm long, (3.2)-3.9-4.4-(5) µm wide; wall not ornamented.

Conidia: (5)-7.2-8.6-(10) µm long.

Secondary Metabolites: Present, norstictic acid (major) to stictic acid (minor).

Spot Tests: Medulla: K + red (medulla), C –, PD + deep yellow (medulla); ascocarp margin (in section): K – to + red, C – disk: C – hypothecium: K – epihymenium: K – to + green.

(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.