126 P. DIEDERICH & E. SÉRUSIAUX MIRIQUIDICA Hertel & Rambold deusta (Stenh.) Hertel & Rambold Syn.: Lecanora deusta (Stenh.) Nyl., Lecidea deusta (Stenh.) Nyl. On exposed, siliceous, natural outcrops. B Ard.: RR. L - . Lit.: NL77: 21, L8. intrudens (H. Magn.) Hertel & Rambold Syn.: Lecanora intrudens H. Magn. On exposed, siliceous, natural outcrops. B Ard.: RRR. L - . F Ard.: RRR. Lit.: L8, Sé: 142. sp. On shaded, siliceous rocks along a road. B - . L - . F Ard.: RRR. This species seems to be undescribed. Lit.: L8. griseoatra (Flot.) Hertel & Rambold, syn. Lecidea griseoatra (Flot.) Schaer. Reported from B by DG: 24, but no material seen. MOELLEROPSIS Gyeln. nebulosa (H<strong>of</strong>fm.) Gyeln. Syn.: Pannaria nebulosa (H<strong>of</strong>fm.) Nyl., Lecanora brunnea auct. belg., non (Sw.) Ach. On s<strong>and</strong>y <strong>and</strong> well-drained soil, over natural outcrops or on road banks. B Brab.: RR (†
THE LICHENS OF BELGIUM AND LUXEMBOURG. AN ANNOTATED CHECKLIST 127 hypnorum (Lib.) Kalb & Hafellner Syn.: Lecidea hypnorum Lib., L. atr<strong>of</strong>usca (Hepp) Mudd, L. templetonii Taylor Muscicolous, over calcareous rocks, in rather exposed conditions. B Mosan: RR, Ard.: RRR (< 1830, type locality). L Lorr. (Moselle): RRR. Lit.: DG: 23-24, L8, La69: 102. lobulata (Sommerf.) Hafellner Syn.: ?Toninia syncomista (Flörke) Th. Fr. On calcareous, natural outcrops, usually in fissures. B Mosan: RR. L - . Lit.: DG: 25, L8, NL84: 15. sabuletorum (Schreb.) Hafellner Syn.: Bacidia sabuletorum (Schreb.) Lettau, Lecidella sabuletorum (Schreb.) Körb., Bilimbia hypnophila (Ach.) Th. Fr., incl. M. accedens (Arnold) V. Wirth & Hafellner, syn. Bacidia accedens (Arnold) Lettau Saxicolous, on mosses, over calcareous, natural s<strong>and</strong>stone rocks or tufa, rarely on the bark <strong>of</strong> old trees, usually in sheltered conditions. B Brab.: RR, Mosan: AR, Ard.: RR, Lorr.: RR. L Lorr.: AR. Lit.: Di: 166-167, Ertz: 20, L1: 6 (sub B. accedens), NL84: 15, NL87: 22, NL92: 172, NL97: 52. Lecidea sanguineoatra auct., non (Wulfen) Ach. Syn.: Lecidea hypnorum auct. p. p., non Lib. On the bark <strong>of</strong> an old Quercus in a humid valley in forest. B - . L Ard.: RRR. This species is close to Mycobilimbia hypnorum. Lit.: Di: 140. Biatora sphaeroides (Dicks.) Körb. Syn.: Catillaria sphaeroides (A. Massal.) Schuler, Bilimbia sphaeroides (Dicks.) Th. Fr., Biatora pilularis (Körb.) Hepp, Lecidella pilularis (Körb.) Stein On bark <strong>of</strong> old trees (Fraxinus <strong>and</strong> Quercus mainly), once on mosses over a s<strong>and</strong>stone rock by a stream, always in well-preserved, humid forests. B Ard.: R (locally AR in the south), Lorr.: RRR. L Lorr.: R. This species belongs to Mycobilimbia (fide Printzen 1995: 219), but the combination in that genus has never been made. Lit.: Di: 59-60, L2: 93. accedens (Arnold) V. Wirth & Hafellner, see M. sabuletorum MYCOBLASTUS Norman fucatus (Stirt.) Zahlbr. Syn.: Mycoblastus sterilis Coppins & P. James Corticolous, rarely lignicolous, mostly conspicuous on smooth, acid bark in disturbed forests. B Mosan: RR, Ard.: C, Lorr.: C. L Ard.: C, Lorr.: C (but absent in the most polluted SW). Lit.: Di: 167-168, L2: 95, NL84: 15. sanguinarius (L.) Norman On acid bark, mainly Quercus, in well-preserved forests. B Ard.: R (locally AR in the south). L - . Lit.: DG: 25. sterilis Coppins & P. James, see M. fucatus MYCOCALICIUM Vain. subtile (Pers.) Szatala, syn. Calicium subtile Pers. var. minutellum (Ach.) Zahlbr. Reported from B by DG: 16 <strong>and</strong> from L by Ko: 298, but no material seen. MYCOPORELLUM Müll. Arg., see Mycoporum MYCOPORUM Nyl. Syn.: Mycoporellum Müll. Arg. (+)antecellans (Nyl.) R. C. Harris Syn.: Arthopyrenia antecellans (Nyl.) Arnold On Fagus in forest. B Ard.: RR. L - . Overlooked ? Lit.: L5: 10, L8. (+)Mycoporellum sacromontanum (Strasser) Redinger On shaded, siliceous rocks, in natural or artificial conditions. B Ard.: RR. L - . Most probably overlooked. <strong>The</strong> combination <strong>of</strong> this epithet in Mycoporum has never been made. Lit.: L8. +hippocastani (DC.) Coppins, see Cyrtidula hippocastani Mycoporellum obscurum (Pers.) A. L. Sm. Reported from B by DG: 16, but no material seen. A name <strong>of</strong> uncertain application. +quercus (A. Massal.) Müll. Arg., see Cyrtidula quercus
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