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

THE LICHENS OF BELGIUM AND LUXEMBOURG. AN ANNOTATED CHECKLIST 123
On siliceous rocks, in open conditions, in natural
and artificial (slate rubbles in disused quarries)
conditions.
B Ard.: RR. L Ard.: RRR.
Lit.: L8.
stygia (L.) Essl.
Syn.: Parmelia stygia (L.) Ach.
On exposed, natural, siliceous rocks.
B Ard.: RRR. L - .
Lit.: L8.
subargentifera (Nyl.) Essl.
Syn.: Parmelia subargentifera Nyl.
Corticolous, mainly on roadside trees, exceptionally
saxicolous, on walls or exposed, natural sandstone
outcrops, always in nitrophilous conditions.
B - . L Ard.: RR, Lorr.: R.
Lit.: La68: 78, La69: 150, WS: 42, 84, Diederich (1985a:
23), Diederich (1986a: 121).
subaurifera (Nyl.) Essl.
Syn.: Parmelia subaurifera Nyl.
Corticolous, mainly on isolated trees, exceptionally
saxicolous on siliceous rocks; a rather ubiquitous
species, not requiring nitrophilous conditions,
thus also found inside forests.
B Mar.: C, Fl.: AC, Camp.: R, Brab.: AC, Mosan,
Ard., Lorr.: AC. L Ard.: AC, Lorr.: AC.
Lit.: Ca: 146-147, Ho: 190, La66: 427-428, WS: 42-43,
85, Lambinon (1968b: 404).
glabra (Schaer.) Essl., syn. Parmelia glabra (Schaer.) Nyl.
Reported from B by DG: 35, but no material seen.
MELASPILEA Nyl.
granitophila (Th. Fr.) Coppins
On siliceous rocks in dry and sheltered underhangs.
B Ard.: RRR. L - .
Lit.: L8.
ochrothalamia Nyl.
Corticolous on old Quercus in well-preserved forests.
B Lorr.: RRR. L - .
Lit.: L2: 94.
MENEGAZZIA A. Massal.
terebrata (Hoffm.) A. Massal.
Syn.: M. pertusa (Schrank) Stein, Parmelia pertusa
(Schrank) Schaer.
Epiphytic, mainly on Fagus in old forests, or saxicolous,
on sandstone rocks.
B Ard.: R, decreasing. L Lorr.: RRR (†