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

130 P. DIEDERICH & E. SÉRUSIAUX
parella (L.) A. Massal.
On siliceous, natural rocks, once on brick in artificial
conditions.
B Mosan: RRR, Ard.: RRR. L Ard.: RRR, Lorr.:
RRR. F Mosan: RRR.
Lit.: DG: 34, La69: 105, Mü1: 152, NL92: 160.
subviridis (Høeg) Erichsen
Syn.: O. yasudae auct., non Vain.
Corticolous, mostly on Quercus in forests.
B Mosan: RR, Ard.: RR, Lorr.: R. L Ard.: RR,
Lorr.: AR.
Lit.: Di: 172-173, La69: 105, NL84: 15.
tartarea (L.) A. Massal.
On natural, siliceous outcrops.
B Ard.: RR (1964). L - .
Lit.: DG: 34, La69: 105.
turneri (Sm.) Hasselrot
On bark of Populus.
B - . L Lorr.: RRR. Most probably overlooked.
Lit.: Di: 173, L5: 32.
sordidogrisea (Erichsen) Schreiner & Hafellner., syn. Pertusaria
sordidogrisea. Reported from B Ard. by Mü1: 150,
but no specimen has been seen.
yasudae auct., non Vain., see O. subviridis
OMPHALINA Quél.
Syn.: Phytoconis Bory
hudsoniana (H. S. Jenn.) H. E. Bigelow
Syn.: Coriscium viride (Ach.) Vain.
On peat or decaying plants and mosses, over natural,
siliceous or sandstone rocks, in humid conditions.
B Ard.: RR. L Lorr.: RRR.
Lit.: La66: 485-486, NL92: 160.
umbellifera (L.: Fr.) Quél.
Syn.: O. ericetorum (Fr.) M. Lange, O. pseudandrosacea
(Bull.) M. M. Moser, Botrydina vulgaris
Bréb. p. p.
On soil, decaying plants and mosses, rarely on lignum,
in very humid conditions.
B Ard.: AR, Lorr.: RR. L Ard.: RRR, Lorr.: R.
Lit.: Di: 231, La69: 108.
ericetorum (Fr.) M. Lange, see O. umbellifera
pseudandrosacea (Bull.) M. M. Moser, see O. umbellifera
OPEGRAPHA Ach.
atra Pers.
Syn.: O. bullata auct., incl. O. atra var. reticulata (Lam.
& DC.) Schaer. and var. rimosa (DC.) Zahlbr.
Corticolous, mainly on the smooth bark of
Carpinus, Corylus and Fagus, sometimes on
other trees, inside forests, incl. coppices, rarely
along roads.
B Mar.: AR, Camp.: RRR, Brab.: RR, Mosan: R,
Ard.: R, Lorr.: AR. L Ard.: RR, Lorr.: AR.
Lit.: Ba: 9, Di: 174-175, Ho: 117, 166, 594, NL84: 16,
Hoffmann & Van Rompu (1995).
calcarea Sm.
Syn.: O. chevallieri Leight.
On calcareous, natural outcrops.
B Mosan: RR. L - .
The identity of the material referred to this species
requires further studies. Several species might be
involved and confusion with O. saxatilis is likely.
Lit.: DG: 18, La69: 100, NL77: 22.
culmigena Lib.
Syn.: O. herbarum Mont., O. betulina Sm.
Corticolous, on Acer in a well-preserved forest and
on branches of Juniperus cf. sabina, or on old,
desiccated culms and leaves of Poa nemoralis.
B Ard.: RR (type locality). L Lorr.: RRR (†1902).
Lit.: Di: 175, L5: 32-33, L8, NL97: 25.
lithyrga Ach.
On shaded overhangs of siliceous rocks, in natural
habitats.
B Mosan: RR, Ard.: R. L Ard.: RRR.
Lit.: DG: 18, L7: 88, NL84: 16, NL92: 160.
mougeotii A. Massal.
On calcareous and sandstone rocks, on vertical surfaces
in shaded habitats.
B Mosan: AR, Ard.: RRR, Lorr.: RR. L Lorr.: R. F
Lorr. (Moselle): RRR.
The distinction of this species from O. varia
requires further studies.
Lit.: L5: 33, NL84: 16, NL92: 172.
ochrocheila Nyl.
Corticolous, mainly on Acer, Fagus and Quercus,
on roots of Populus by a river at water level, and
on lignum of Carpinus, mainly in humid and
well-preserved forests.
B Brab.: RRR, Mosan: RRR, Ard.: RR. L Lorr.: RR.
Lit.: Di: 178-179, L5: 33-34, NL97: 52.
rufescens Pers.
Syn.: O. herpetica (Ach.) Ach.