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

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108 P. DIEDERICH & E. SÉRUSIAUX<br />

dimera (Nyl.) Th. Fr., see L. dubitans<br />

dubitans (Nyl.) A. L. Sm., syn. L. dimera (Nyl.) Th. Fr.<br />

Reported from B by DG: 32 <strong>and</strong> from L by Ko: 201, but<br />

no material seen.<br />

fuscella (Schaer.) A. Massal., syn. L. syringea (Ach.) Th. Fr.<br />

This species was mentioned from B by DG: 32 <strong>and</strong> L<br />

Lorr. by Feltgen (1902: 178), but no relevant material has<br />

been seen by us. <strong>The</strong> recent record from B Mar. by Ho:<br />

138, 580 refers to Cliostomum griffithii (specimen in<br />

GENT checked !).<br />

syringea (Ach.) Th. Fr., see L. fuscella<br />

LECANOGRAPHA Egea & Torrente<br />

lyncea (Sm.) Egea & Torrente<br />

Syn.: Lecanactis lyncea (Sm.) Fr., Opegrapha lyncea<br />

(Sm.) Hook., incl. O. lyncea var. fuliginosa<br />

Turner & Borrer<br />

On the dry side <strong>of</strong> an old Quercus tree in a humid<br />

<strong>and</strong> well-preserved forest.<br />

B - . L Lorr.: RRR.<br />

Lit.: DG: 18, Di: 176-177, L4: 28.<br />

amylacea (Pers.) Egea & Torrente, syn. Lecanactis<br />

illecebrosa (Dufour) Fr. <strong>The</strong> ancient report <strong>of</strong> this species<br />

from L by Ko: 271 is most doubtful, as not sustained by<br />

any relevant specimen.<br />

LECANORA Ach.<br />

achariana A. L. Sm.<br />

On siliceous boulders in a river (splash zone).<br />

B - . L Ard.: RR.<br />

Lit.: NL92: 155.<br />

agardhiana Ach.<br />

Syn.: L. agardhianoides A. Massal.<br />

On hard calcareous, natural outcrops.<br />

B Mosan: RR. L - .<br />

Lit.: DG: 32, L8.<br />

aitema (Ach.) Hepp<br />

On acid bark (especially Pinus, also Quercus), <strong>and</strong><br />

on lignum, in forests or their edges, locally<br />

common on dead st<strong>and</strong>ing trees in bogs.<br />

B Mosan: RRR, Ard.: R (AR in Haute Ard.). L<br />

Ard.: RRR. F Ard.: RRR.<br />

Lit.: NL84: 14.<br />

albella (Pers.) Ach.<br />

Syn.: Lecanora pallida (Schreb.) Rabenh.<br />

Corticolous, most frequent on Quercus, usually in<br />

forest.<br />

B Mosan: RR, Ard.: R, Lorr.: RRR. L Ard.: RR,<br />

Lorr.: R.<br />

Lit.: Di: 128-129, L5: 27-28, NL84: 15.<br />

albescens (H<strong>of</strong>fm.) Branth & Rostr.<br />

Syn.: Placodium albescens (H<strong>of</strong>fm.) A. Massal.<br />

On concrete <strong>and</strong> mortar <strong>of</strong> walls, also on natural<br />

outcrops <strong>of</strong> siliceous rocks, calcareous s<strong>and</strong>stone<br />

<strong>and</strong> limestone, rarely lignicolous.<br />

B Mar., Fl., Camp., Brab.: AR-C, Mosan: CC, Ard.:<br />

AC, Lorr.: CC. L Ard.: AC, Lorr.: CC. F Mosan:<br />

CC, Ard.: AC.<br />

Lit.: Mü1: 151, NL84: 14, NL92: 170, VGH: 114.<br />

allophana Nyl.<br />

Syn.: L. subfusca (L.) Ach., non auct., nom. rej.<br />

Corticolous, mainly on Fraxinus along roads.<br />

B Mosan: RRR, Lorr.: RRR. L Lorr.: R (†1891).<br />

Perhaps overlooked.<br />

Lit.: Di: 119-120, L5: 24, L8, Mü1: 151 (from B Ard.,<br />

specimen not seen), NL84: 14.<br />

argentata (Ach.) Malme<br />

Syn.: L. subfuscata H. Magn., L. subfusca auct.,<br />

non (L.) Ach., incl. L. subrugosa Nyl.<br />

Corticolous, in forests (on Carpinus, Fagus, Quercus),<br />

<strong>and</strong> on isolated trees (Acer, Fraxinus, Populus).<br />

B Mar.: AR, Fl.: RRR, Brab.: R, Mosan: AR, Ard.:<br />

AR, Lorr.: AR. L Ard.: AR, Lorr.: AR.<br />

<strong>The</strong> specimens called L. subrugosa mainly occur on<br />

the bark <strong>of</strong> Quercus; following Lumbsch &<br />

Feige (1996: 261), they represent an extreme<br />

morphological variant <strong>of</strong> L. argentata caused by<br />

the substrate.<br />

Lit.: Di: 120, 136, Ho: 117, 155, 157, 590, NL84: 14, 15.<br />

barkmaniana Aptroot & van Herk (‘barkmaneana’)<br />

Corticolous, on Populus ×canadensis.<br />

B Fl.: RR. L - . Overlooked ?<br />

Lit.: L8.<br />

campestris (Schaer.) Hue<br />

On mortar <strong>of</strong> old walls, on stones, <strong>and</strong> on natural,<br />

s<strong>and</strong>stone <strong>and</strong> siliceous outcrops in exposed <strong>and</strong><br />

sunny conditions.<br />

B Fl.: AR, Camp.: R, Brab.: R, Mosan: RR, Ard.:<br />

RR. L Ard.: RRR, Lorr.: R.<br />

Lit.: La69: 104, Mü1: 151, NL84: 14, NL92: 170, VGH:<br />

114, Zwaenepoel et al. (1994: 37).<br />

carpinea (L.) Vain.<br />

Corticolous, mainly on smooth bark (e. g. on<br />

Carpinus), in forests, orchards <strong>and</strong> along roads.<br />

B Mar.: C, Fl.: C, Camp.: R, Brab.: AC, Mosan: R,<br />

Ard., Lorr.: AC. L Ard.: AC, Lorr.: AR.

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