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

174 P. DIEDERICH & E. SÉRUSIAUX
mortarii Lamy
On calcareous, natural outcrops.
B Mosan: RRR. L - . F Mar.: RRR (1910).
The taxonomic status of this species requires further
studies.
Lit.: Zschacke (1933: 75-76).
muralis Ach.
Syn.: V. rupestris Schrad., non (Scop.) F. H. Wigg.
On calcareous, natural outcrops, and on artificial
substrates (walls or concrete), exceptionally on
wood.
B Fl.: RR, Camp.: RRR, Brab.: RR, Mosan: R,
Ard.: RR, Lorr.: RR. L Lorr.: C. Probably overlooked
and common in most districts.
Lit.: Ertz: 43, Mü1: 140, NL77: 23, NL84: 18, NL87: 23,
NL92: 165, NL97: 57.
murina Leight.
Syn.: V. myriocarpa Lönnr., incl. ?V. amylacea A.
Massal.
On calcareous, natural outcrops, and on pebbles in
Mesobromion communities.
B Mosan: R. L Lorr.: RRR.
Lit.: DG: 14, Mü1: 140 and Mü2: 197 (B Ard., to be
checked).
nigrescens Pers.
Incl. V. controversa A. Massal.
On calcareous, natural outcrops, and on artificial
substrates (walls, bricks, concrete, mortar, etc.).
B Fl.: AR, Camp.: R, Brab.: AR, Mosan: AC, Ard.:
RR, Lorr.: RR. L Lorr.: C. Most probably common
in most parts of the study area.
Lit.: Ertz: 43-44, Mü1: 140, NL77: 23, NL87: 24, NL84:
18, NL92: 174, NL93: 46, NL97: 57, VGH: 114.
ochrostoma (Leight.) Trevis.
On calcareous substrates in ruderal conditions (wall
of church, mortar, concrete).
B Fl.: RRR, Camp.: RRR, Mosan: RR. L Lorr.: RRR.
Lit.: NL84: 18, NL93: 46.
pinguicula A. Massal.
On calcareous, natural outcrops.
B Mosan: AR, Ard.: RRR. L Lorr. (Moselle): RRR.
Lit.: NL87: 24, NL97: 57.
praetermissa (Trevis.) Anzi
On siliceous or calcareous rocks or stones, rarely
on mortar or on iron posts, in streams or on
shaded outcrops.
B Mosan: R, Ard.: R. L Ard.: RR, Lorr.: R.
Lit.: Ertz: 44, Mü4: 111, NL84: 18, NL97: 58, Molitor &
Diederich (1997: 86-87).
rheitrophila Zschacke
Syn.: V. kernstockii Zschacke
On partly immersed, siliceous rocks in streams.
B Mosan: RR, Ard.: RR. L Ard.: RR.
Lit.: Mü1: 140, NL84: 18, Molitor & Diederich (1997: 87).
sorbinea Breuss
On bark and over epiphytic mosses of an old
Sorbus, in parkland conditions.
B - . L Lorr.: RRR (type locality).
Lit.: Breuss (1998).
subfuscella Nyl.
Syn.: V. glaucina auct., non Ach.
On calcareous, natural outcrops, rarely in artificial
habitats.
B Mosan: AR, Ard.: R, Lorr.: RRR. L Ard.: RR,
Lorr. (Moselle): RRR. F Lorr. (Moselle): RR.
Lit.: Ertz: 45, Mü4: 111, NL84: 18, NL87: 23, NL97: 58, John
(1986: 144), John (1990b: 245), Zschacke (1933: 277).
subtruncatula B. de Lesd.
On calcareous stones in artificial conditions.
B - . L - . F Mar.: RRR (1910) (type locality).
The taxonomic status of this species requires further
studies.
Lit.: BDL1: 241-242, Zschacke (1933: 158).
thalassina (Zahlbr.) Zschacke
On shells close to the sea.
B - . L - . F Mar.: RRR.
Lit.: Zschacke (1933: 140).
umbrinula Nyl.
On siliceous, natural outcrops.
B Ard.: RRR. L - .
Lit.: L8.
viridula (Schrad.) Ach.
Syn.: V. obductilis (Nyl.) Zschacke, V. polygonia Körb.
On calcareous or siliceous, natural outcrops, and on
artificial substrates (walls, concrete, mortar, etc.).
B Fl., Camp., Brab.: R, Mosan: AR, Ard.: RR, Lorr.:
RR. L Lorr.: C, most probably common, but
under-recorded in large parts of the study area.
Lit.: Ertz: 46, NL84: 18, NL87: 24, NL92: 165, NL93:
46, NL97: 58, Zschacke (1933: 115).
sp. (as ‘Verrucaria squamulosa ined.’ in Ertz 1999)
On exposed or partially shaded, hard calcareous,
natural outcrops.
B Mosan: RR. L - .
This species is still undescribed.
Lit.: Ertz: 44-45.
acrotella Ach. Reported from B Ard. by Mü5: 18 and from
L Lorr. by Ko: 308, but no specimen seen.