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

THE LICHENS OF BELGIUM AND LUXEMBOURG. AN ANNOTATED CHECKLIST 79
cirrochroa (Ach.) Th. Fr.
On hard calcareous rocks, usually in dry, nonnitrophilous
and non-exposed conditions, always
in natural habitats.
B Mosan: AC. L - . F Mosan: RRR, Lorr.: RRR.
Lit.: Ertz: 19, Ma: 153-156.
citrina (Hoffm.) Th. Fr.
Incl. C. citrina var. maritima B. de Lesd.
Saxicolous, on calcareous and siliceous rocks, very
common on artificial substrata (concrete, walls,
etc.), nitrophilous and tolerant to air pollution,
rarely lignicolous or corticolous, at the base of
trees.
B C-CC. L C-CC.
Lit.: Ca: 85-86, Di: 70-71, Ho: 107, Ma: 156-161, NL93:
42, NL97: 20, 46, Qu: 79, VGH: 114.
(*)coronata (Körb.) J. Steiner
On hard calcareous rocks, in dry, sunny and nitrophilous
conditions, sometimes parasitic on Verrucaria,
also on sandstone rocks and on concrete of
gravestones.
B Mar.: RRR, Fl.: RR, Camp.: RR, Mosan: AC,
Ard.: RRR, Lorr.: RRR. L Lorr.: RRR. F
Mosan: RRR, Lorr.: RR.
Lit.: Ertz: 19, Ma: 163-166, NL93: 42, Zwaenepoel et al.
(1994: 37).
crenularia (With.) J. R. Laundon
Syn.: C. festiva (Ach.) Zwackh
On exposed, siliceous rocks.
B Mosan: RRR (†1890). L - . F Mosan: RRR (only
known from one locality where it is rather
abundant).
Lit.: Ma: 177-179.
(*)crenulatella (Nyl.) H. Olivier
Syn.: C. lactea auct. p. p., non (A. Massal.) Zahlbr.
On hard calcareous, tufa and sandstone rocks, also
common in artificial habitats, in dry and sunny
places, often parasitic, at least when young, on
black crustose lichens (Verrucaria nigrescens,
cyanobacterial crusts), usually in nitrophilous
conditions.
B Mosan: R. L Lorr.: AC. F Lorr.: RR. Most
probably overlooked.
Lit.: Navarro-Rosinés & Hladun (1996: 148).
decipiens (Arnold) Blomb. & Forssell
On hard calcareous rocks in highly nitrophilous
conditions, common on artificial substrata like
concrete, mortar, etc.
B Mar.: RR, Fl.: AR, Camp.: R, Brab.: AR, Mosan:
C, Ard.: AC (only on walls and asbestos in nitrophilous
situations, especially in farms), Lorr.:
AC. L Ard.: RR, Lorr.: RR. F Lorr.: RRR.
Lit.: Ertz: 19, Ma: 167-170, NL92: 150, NL93: 42, VGH:
114, Zwaenepoel et al. (1994: 37).
demissa (Körb.) Arup & Grube
Syn.: Lecanora demissa (Körb.) Zahlbr.
On exposed and sunny, siliceous rocks, often around
old castles.
B Ard.: RRR. L Ard.: RR. F Ard.: RRR.
Lit.: La68: 77, La69: 89, 105.
dolomiticola (Hue) Zahlbr.
Syn.: C. dalmatica (A. Massal.) H. Olivier, C.
velana auct., non (A. Massal.) Du Rietz
On hard calcareous rocks in dry, sunny and usually
nitrophilous conditions, or on sandstone, mostly
in natural habitats, also on concrete in ruderal
conditions.
B Mosan: AR, Ard.: RRR. L Lorr.: AR. F Mosan:
RRR, Lorr.: RR.
Lit.: Ertz: 19, Ma: 238-241, NL97: 46.
erythrocarpa (Pers.) Zwackh
On hard calcareous rocks.
B Brab.: RR (†