The Lichens and Lichenicolous Fungi of Belgium and Luxembourg ...

PHYSALOSPORA Niessl
THE LICHENS OF BELGIUM AND LUXEMBOURG. AN ANNOTATED CHECKLIST 141
*galactinae Vouaux, see Zwackhiomyces lecanorae
*lecanorae (Stein) G. Winter, see Zwackhiomyces lecanorae
*leptogiophila (G. Winter) Vouaux, see Cyanomyces leptogiophilus
PHYSCIA (Schreb.) Michx.
adscendens (Fr.) H. Olivier
On exposed and nitrophilous bark, mainly on trees
along roads and in orchards, rarely lignicolous, also
saxicolous, especially on concrete and asbestos.
B Mar.: CC, Fl.: CC, elsewhere: AC-C. L Ard.: AC,
Lorr.: C.
Lit.: Ca: 157-158, Ho: 206, La66: 471-472, Qu: 117-119,
WS: 46-47, 93.
aipolia (Humb.) Fürnr.
Mainly on isolated trees (e. g. Fraxinus), in slightly
nitrophilous conditions.
B Mar.: R, Fl.: RRR, Camp.: RRR, Brab.: R, Mosan:
R, Ard.: AR, Lorr.: R. L Ard.: R, Lorr.: AR.
Lit.: Ho: 213, La66: 472-473, WS: 47, 94.
caesia (Hoffm.) Fürnr.
On exposed and nitrophilous natural rocks and artificial
substrates (concrete, asbestos, old walls
and gravestones), rarely on the dust-enriched
base of old isolated trees.
B Mar.: AR, Fl.: C, Brab.: AR, elsewhere: AR-C. L
Ard.: AR, Lorr.: AC.
Lit.: Ca: 160-161, Ho: 209, La66: 474, Qu: 119-120, WS:
48, 95.
clementei (Turner) Maas Geest.
Syn.: P. clementiana (Ach.) Kickx, P. astroidea
auct., non (Clem.) Nyl.
On isolated trees (incl. exotic ones like Gingko biloba)
with a well-lit and slightly nitrophilous bark.
B Fl.: RR (†1954), Brab.: RR (†1852), Mosan:
RRR (†1952), Ard.: RRR (†1868). L - .
Now extinct throughout the area of study.
Lit.: La66: 474-475, Barkman (1990: 13-14).
dimidiata (Arnold) Nyl.
On exposed and nitrophilous siliceous rocks, also
on artificial substrates, especially old walls.
B Brab.: RRR (1962), Mosan: RRR, Ard.: RR. L - .
D Ard.: RRR.
Lit.: La66: 477, Diederich (1985a: 25; the specimen
mentioned belongs to P. tribacia).
dubia (Hoffm.) Lettau var. dubia
Corticolous at the base of roadside trees with an enriched
bark (Fraxinus, Tilia, Ulmus, etc.), and
saxicolous, on nitrophilous, natural, siliceous or
calcareous sandstone rocks, but especially on
artificial substrates, like roofs and old walls.
B Mar.: AR, Fl.: R, Camp.: RR, Brab.: R, Mosan:
R, Ard.: AR, Lorr.: R. L Ard.: AR, Lorr .: AR.
Lit.: Ho: 211, Mü1: 158, NL93: 45, WS: 48-49, 96.
dubia var. teretiuscula (Ach.) Clauzade & Cl. Roux
Syn.: P. teretiuscula (Ach.) Lynge
Mainly on natural, exposed, siliceous outcrops,
usually in thermophilous habitats, rare on artificial
substrates like roofs and old walls, once
found on tree nearby rocks covered by the taxon.
B Mosan: R, Ard.: AR. L Ard.: AR.
Lit.: La66: 477-478, Mü1: 158, Giralt & van den Boom
(1996: 81), Lambinon (1968b: 405).
semipinnata (J. F. Gmel.) Moberg
Syn.: P. leptalea (Ach.) DC.
On well-lit trees and branches in rather nitrophilous
conditions.
B Mar.: RRR (†1962), Mosan: RRR (†1851), Ard.:
RR (†1856). L Lorr.: R (†1891).
Now extinct throughout the area of study.
Lit.: La66: 470-471.
stellaris (L.) Nyl.
On trunks, branches and twigs of deciduous trees in
open situations (roadside, orchards, hedges, etc.).
B Mar.: AR, Fl.: AR, Camp.: RRR, Brab.: AR,
Mosan: AR, Ard.: R, Lorr.: R. L Ard.: RRR,
Lorr.: AR.
Lit.: Ho: 213, La66: 473-474, WS: 49, 97.
subalbinea Nyl.
Syn.: P. wainioi Räsänen, P. caesiella (B. de Lesd.)
Suza
On natural, exposed, siliceous outcrops and on artificial
substrates (mainly old walls), rarely corticolous
on roadside trees (Fraxinus).
B Mosan: RR (1929), Ard.: R. L Ard.: R.
Lit.: La66: 475-476, WS: 50, 100.
tenella (Scop.) DC.
Corticolous, mainly on roadside trees and in
orchards, often in well-lit situations and on bark
rich in dust, always in nitrophilous communities,
also lignicolous, rarely saxicolous, on concrete
or other artificial substrates.
B Mar.: CC, Fl.: CC, Brab.: CC, elsewhere: C-CC.
L Ard.: C, Lorr.: C.
Lit.: Ca: 162-163, Ho: 215, La66: 471, Qu: 119, 121-122,
WS: 49-50, 98.