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

168 P. DIEDERICH & E. SÉRUSIAUX
TRACHYLIA Fr.
arthonioides (Ach.) Fr., see Arthonia arthonioides
TRAPELIA M. Choisy
coarctata (Sm.) M. Choisy
Syn.: Lecanora coarctata (Sm.) Ach., Lecidea
coarctata (Sm.) Nyl.
On siliceous rocks, in natural and artificial habitats, also
on pebbles, locally abundant on railway ballast.
B Camp.: AC, Mosan: AR, Ard.: AR-AC, Lorr.:
AR. L Ard.: RR, Lorr.: RR.
Lit.: Mü1: 143, NL84: 18, NL92: 174, Sé: 144, Coppins
& van den Boom (1995: 89).
corticola Coppins & P. James
Corticolous on acid bark, usually along streams or
in sheltered forests.
B Mosan: RRR, Ard.: AR, Lorr.: R. L Ard.: RRR,
Lorr.: RR.
Lit.: Di: 222-223, L3: 33-34, NL84: 18, NL97: 56.
involuta (Taylor) Hertel
On siliceous rocks, in natural and artificial habitats.
B Mosan: RR, Ard.: AR. L Ard.: RR, Lorr.: RR.
Overlooked ?
Lit.: NL77: 23, NL84: 18, Sé: 139, 144, Hertel (1973:
511).
obtegens (Th. Fr.) Hertel
On siliceous rocks in natural and artificial habitats,
rarely on wood.
B Camp: R, Mosan: RR, Ard.: AR. L Ard.: RR,
Lorr.: RR. Most probably overlooked.
Lit.: NL77: 23, NL84: 18, NL87: 23, NL92: 164, Sé:
144, Coppins & van den Boom (1995: 89).
placodioides Coppins & P. James
Saxicolous, on siliceous and sandstone rocks, able
to colonize highly artificial habitats like rusted
iron of old rails.
B Fl.: RRR, Mosan: RR, Ard.: AR. L Ard.: RRR,
Lorr.: RR. F Ard.: RRR.
Lit.: L4: 31-32, NL92: 174, NL97: 56.
TRAPELIOPSIS Hertel & Gotth. Schneider
flexuosa (Fr.) Coppins & P. James
Syn.: Biatora flexuosa Fr., Lecidea aeruginosa
Borrer, L. sapinea (Fr.) Zahlbr.
Mainly lignicolous, on fence posts or rotting wood,
also corticolous, rarely saxicolous on sandstone
rocks, or terricolous over peaty or humus-rich soil.
B Mar.: RRR, Fl.: RR, Camp.: RRR, Mosan: RR,
Ard.: AC, Lorr.: AR. L Ard.: AR, Lorr.: AR.
Lit.: Di: 224-225, Ho: 167, 236, 627, NL84: 18.
gelatinosa (Flörke) Coppins & P. James
On humus-rich soil in forest, once corticolous on
Tilia.
B Ard.: AR. L Lorr.: RR.
Lit.: L4: 32, NL92: 165, NL97: 57.
granulosa (Hoffm.) Lumbsch
Syn.: Lecidea granulosa (Hoffm.) Ach.
On acid soil, usually over mosses or plant debris,
also on rotting wood, abundant in heathlands and
disused quarries of siliceous rocks.
B Camp.: AC, Brab.: RRR, Mosan: AR, Ard. C,
Lorr.: AR. L Ard.: AR, Lorr.: AR.
Lit.: Ba: 9, Di: 225, Ho: 218, 237, 627, Mü1: 143, NL77:
21, NL84: 18, Coppins & van den Boom (1995: 89).
percrenata (Nyl.) Gotth. Schneider
Over mosses and plant debris in a peatbog, and on
rotting bark of Quercus.
B Ard.: RR, Lorr.: RRR. L - .
Lit.: L4: 32.
pseudogranulosa Coppins & P. James
On acid and humid soil, or more commonly on dying
mosses and plant debris on soil, also often on
decorticated wood or on the bark of various
trees.
B Mosan: RR, Ard.: C, Lorr.: AR. L Ard.: C, Lorr.:
AR.
Lit.: Di: 225-226, L4: 32, NL84: 18, NL97: 57.
aeneofusca (Flot.) Coppins & P. James, syn. Lecidea
aeneofusca (Flot.) Flörke. Reported from B by DG: 24,
but no material seen.
viridescens (Schrad.) Coppins & P. James, syn. Biatora
viridescens (Schrad.) Körb., Lecidea viridescens
(Schrad.) Ach. Reported from B by DG: 24 and from L
by Ko: 245, but no material seen.
wallrothii (Spreng.) Hertel & Gotth. Schneider, syn. Biatora
wallrothii (Spreng.) Körb. Reported from L Lorr. by Ko:
244, but no specimen seen.
TREMELLA Pers.
*Lindauopsis caloplacae Zahlbr.
Syn.: Tremella sp. 1 (see Diederich 1996)
On Caloplaca sp. [type specimen of C. lactea f.
ostreaeseda (Harm.) Zahlbr.].
B - . L - . F Mar.: RRR (1906).
Lit.: Navarro-Rosinés & Hladun (1996: 164).