LEJEUNIA - Lichens of Belgium, Luxembourg and northern France
LEJEUNIA - Lichens of Belgium, Luxembourg and northern France
LEJEUNIA - Lichens of Belgium, Luxembourg and northern France
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This lichenicolous ascomycete was known from the Canary Isl<strong>and</strong>s, <strong>France</strong>,<br />
Great Britain, Irel<strong>and</strong>, Spain <strong>and</strong> Sweden (COPPINS & COPPINS, 2000; ETAYO,<br />
1996; FOX, 2000; ROSSMAN et al., 1999), <strong>and</strong> is here newly reported from<br />
<strong>Belgium</strong> <strong>and</strong> from Madeira. The original account <strong>of</strong> the species is somewhat<br />
confusing, as the ascospores were said to be (9-)15-20 × 4.5-5(-6) μm in the<br />
description (p. 59), but only 9-12 × 4.5-5 μm in the key (p. 62) (ROSSMAN et al.,<br />
1999). The ascospores in the Belgian specimen are 12-14 × 5.5-6.5 μm.<br />
Protopannaria pezizoides (Weber) P. M. Jørg. & S. Ekman<br />
Syn.: Pannaria pezizoides (Weber) Trevis.<br />
<strong>Belgium</strong>, Mosan: N <strong>of</strong> Villers-sur-Lesse, near Château Royal (J6.13), mossy slope in<br />
ditch, 5.2001, P. & B. van den Boom 26501 (h, LG).<br />
The latest report <strong>of</strong> this species in the area <strong>of</strong> study dates back to 1947 from<br />
the Berdorf area in L Lorr. (SÉRUSIAUX, 1984: 85). It was believed to be extinct<br />
<strong>and</strong> its recent discovery in a ditch by a road indicates it may still be present in<br />
other localities.<br />
Protoparmelia hypotremella van Herk, Spier & Wirth<br />
<strong>Belgium</strong>, Ard.: Nassogne, SW side <strong>of</strong> Bosteubois (J6.27), edge <strong>of</strong> mixed forest, on<br />
Quercus, 4.2001, P. & B. van den Boom 26462 (h, LG).<br />
This sterile corticolous species was formerly known from a single locality<br />
in the area <strong>of</strong> study (Mosan district) (DIEDERICH & SÉRUSIAUX, 2000: 149) <strong>and</strong><br />
is obviously overlooked.<br />
Punctelia borreri (Sm.) Krog<br />
<strong>Belgium</strong>, Mar.: De Panne, Westhoek, sentier le long de la frontière française (C0.56),<br />
sur Crataegus, 6.2001, P. Diederich 14669 (h); De Haan, nature reserve ‘Z<strong>and</strong>panne’<br />
(B1.57), on Salix alba near wet dune vegetation, 1.2002, O. Heylen HW/02/35 (h).<br />
– Camp.: Hulsen (Balen), river valley Grote Nete (C6.43), in wet Salix forest, 11.2001,<br />
O. Heylen HW/L01/556 (h); Hulshout, river valley Grote Nete (D5.15), on Populus<br />
×canadensis, 10.1999, O. Heylen HW/L99/550 (h); Schilde, on a tree along av.<br />
Molenstraat near the centre <strong>of</strong> Schilde (C5.11), on cf. Robinia, 2.2002, H. Stappaerts<br />
(hb Heylen HW/L02/65). – Mosan: Erquelinnes (H4.21), on Malus, s. d. [before 1937],<br />
A. Gravis s. n. (LG); Charneux (commune de Harsin), bord de la route Marche-Arlon<br />
(J6.17), tronc de Fraxinus, 9.1962, J. Lambinon 62/1507 (LG); Rochefort, SE <strong>of</strong> village,<br />
near entrance <strong>of</strong> caves (J6.25), on Tilia along parking-lot, 4.2001, P. & B. van den Boom<br />
26391(h); Macon, le long de la route vers Chimay (J4.53), sur Ulmus ×holl<strong>and</strong>ica,<br />
8.1962, J. Duvigneaud 62/523 (LG, with Norm<strong>and</strong>ina pulchella). – Lorr.: Torgny, on<br />
Populus in plantation along river Chiers (M7.42), 7.1997, L. B. Sparrius 236 (h).<br />
<strong>Luxembourg</strong>, Lorr.: Remerschen, gravières (M9.52), sur Salix, 5.1998, P. Diederich 13600<br />
(h); Lorentzweiler, Roude Bam (L8.46), sur Juglans, dans un verger, 10.2000, P. Diederich<br />
14417 (h); Lasauvage (M7.48), on wayside Acer, 9.1999, L. B. Sparrius 3380 (h).
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