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

THE LICHENS OF BELGIUM AND LUXEMBOURG. AN ANNOTATED CHECKLIST 177
Saxicolous, on sandstone rocks, or corticolous, on
Alnus and Pyrus.
B - . L Lorr.: RR.
The identity of the material is doubtful and requires
further studies.
Lit.: Di: 47, L3: 26.
inundata (Fr.) Sérus. & Diederich
Syn.: Bacidia inundata (Fr.) Körb., Bacidina inundata
(Fr.) Vězda
On ± calcareous rocks in humid and shaded conditions,
often in streams.
B Ard.: RR. L Ard.: RRR, Lorr.: RR.
Lit.: Mü1: 144, NL97: 39.
Bacidia neosquamulosa Aptroot & van Herk
On Populus at margin of a Picea plantation.
B Fl.: RRR. L - . Probably overlooked.
Lit.: Aptroot & van Herk (1999).
Bacidia phacodes Körb.
Syn.: Bacidina phacodes (Körb.) Vězda, Bacidia
albescens (Stizenb.) Bausch
On Acer campestre in sheltered and humid forests.
B Mosan: RR. L - . Probably overlooked.
Lit.: L5: 14-15, NL84: 12, van den Boom & Sérusiaux
(1996: 22).
Bacidia saxenii Erichsen
On walls, stones, gravestones, normally in ruderal
conditions, also on slate debris in a disused quarry.
B Fl.: RRR. L Ard.: RRR, Lorr.: RRR.
The report of this species from B Camp.: RRR by
NL93: 42 is erroneous, the specimen belonging
to a possibly undescribed species.
Lit.: L8.
fusarioides D. Hawksw., Poelt & Tscherm.-Woess, see W.
arnoldiana
XANTHOPARMELIA (Vain.) Hale
conspersa (Ach.) Hale
Syn.: Parmelia conspersa (Ach.) Ach., P. stenophylla
auct., non (Ach.) Heugel, nom. conf., P.
molliuscula auct. belg. p. p., non Ach.
On exposed, siliceous rocks, on walls or roofs,
exceptionally on sandstone rocks, once found on
dust-enriched bark.
B Brab.: RR, Mosan: AC, Ard.: AC. L Ard.: AC,
Lorr.: RRR.
The report of X. angustiphylla (Gyeln.) Hale from
B by Hale (1990: 68) refers to non-isidiate forms
of X. conspersa. The genuine X. angustiphylla
does not occur in the study area.
Lit.: La66: 432-433, Diederich (1985a: 23), Lambinon &
Sérusiaux (1985b: 207).
mougeotii (D. Dietr.) Hale
Syn.: Parmelia mougeotii D. Dietr.
Saxicolous, on exposed, siliceous or sandstone
rocks and stones, in natural habitats and on slate
debris in old quarries, also on walls.
B Mosan: RR, Ard.: AR. L Ard.: AR, Lorr.: RR.
Lit.: La66: 433-434, Lambinon & Sérusiaux (1985b: 209).
protomatrae (Gyeln.) Hale
Syn.: Parmelia protomatrae Gyeln.
On a dry and sunny, natural, slightly calcareous,
siliceous outcrop.
B Mosan: RRR. L - .
Lit.: Schl: 240 (probably a mistake for var. somloënsis,
see L8), Lambinon & Sérusiaux (1985b: 209-210).
somloënsis (Gyeln.) Hale var. somloënsis
Syn.: X. taractica (Kremp.) Hale, Parmelia taractica
Kremp., P. stenophylla auct. p. m. p., non (Ach.)
Heugel, nom. conf.
On dry and sunny, natural outcrops of siliceous rocks.
B - . L Ard.: RRR. F Mosan: RRR.
Lit.: L8, Schl: 134, 240, Lambinon & Sérusiaux (1985b: 210).
angustiphylla (Gyeln.) Hale, see X. conspersa
incurva (Pers.) Hale, see Arctoparmelia incurva
XANTHORIA (Fr.) Th. Fr.
The specimens referred to X. candelaria and X. fallax
should be re-examined, as the recently circumscribed
X. fulva (Hoffm.) Poelt & Petutschnig and
X. ulophyllodes Räsänen are likely to occur in the
study area (Poelt & Petutschnig 1992).
calcicola Oxner
Syn.: X. aureola auct., non (Ach.) Erichsen
Saxicolous, exceptionally corticolous, in natural
and artificial habitats, always in nitrophilous
conditions.
B Mar.: CC, Fl.: AR, Camp.: AR, Brab.: AR, Mosan:
AC, Ard.: AR, Lorr.: R. L Ard.: AR, Lorr.: AR.
Lit.: Ho: 241, La66: 468, VGH: 114, Duvigneaud &
Lambinon (1963: 47).
candelaria (L.) Th. Fr.
Syn.: X. lychnea (Ach.) Th. Fr.
Corticolous, nitrophilous, on roadside trees, in orchards,
etc., often at the base of trunks, rarely saxicolous.
B Mar.: CC, Fl.: CC, elsewhere: AC-C. L Ard.: AC,
Lorr.: AC.
Lit.: Ca: 167-168, Ho: 243, La66: 464, Qu: 125-127, WS:
60-61, 116.