LEJEUNIA - Lichens of Belgium, Luxembourg and northern France

-32-
Caloplaca (Gasparrinia) callopisma Th. Fr. Kreta: an Kalkfelsen bei Kristallenia,
1904, leg. R. Sturany, spec. orig.!; Acqu. 1906 N° 11196” obviously represents
the type specimen studied by Zahlbruckner, as the apothecia are heavily attacked
by the Tremella. A second specimen is annotated “Caloplaca (Gasparrinia)
callopisma Th. Fr., Kristallenia in der Hochebene Lasithiotika, Ost Kreta, Kalk,
Juni 1904, leg. Sturany; 729”; the Caloplaca apothecia appear to be healthy
and are not visibly parasitized. ZAHLBRUCKNER (1906) wrote that Dr R. Sturany
collected Lindauopsis caloplacae ‘auf Kalkfelsen bei Kristallenia in Ostkreta’
on Caloplaca callopisma, and that the apothecia were ‘stark deformiert’, which
perfectly fits specimen 11196. RIEDL (1976) regretted that the type specimen was
not annotated with the name of the fungus, nor integrated in the fungal herbarium
in W, but instead was found under the name Caloplaca callopisma within the
lichen herbarium. This strongly suggests that Riedl did not see the genuine type
specimen, but instead another specimen of the host species collected by Sturany
in Crete, that appeared to be infected by the Tremella as well. HAWKSWORTH
(1979) cited the type specimen as ‘Crete, Paßhöhe Bebona bei Kavusi, in
apothecia of Caloplaca aurantia, on limestone, 21 May 1904, R. Sturany (W
1906/755–lectotype!)’. This certainly does not represent any type material, as
the locality is different from that published by ZAHLBRUCKNER (1906). It is not
clear if HAWKSWORTH (1979) lectotypified the name on this specimen, or if he
referred to an earlier lectotypification (possibly indicated on the label of the
specimen). In any case, we have to follow the ICBN (art. 9.17) that requires that
an earlier lectotypification is superseded (a) if the holotype is rediscovered, or
(b) if one can show that it is in serious conflict with the protologue and another
element is available that is not in conflict with the protologue, or (c) if the type
specimen contains more than one species and the name was lectotypified on
a part that does not correspond most nearly with the original description. As
the three conditions of art. 9.17 are satisfied, we here re-lectotypify the name
Lindauopsis caloplacae on the lichenicolous fungus present in the hymenium of
Caloplaca in specimen 11196 (W).
Tremella caloplacae is so far known from Algeria (ZAHLBRUCKNER, 1906),
Austria, Crete, France, Great Britain and Spain on several Caloplaca species,
including C. arenaria, C. arnoldii, C. aurantia, C. carphinea and C. saxicola.
It is most probably much overlooked, as no visible basidiomata are present, but
instead just swollen host apothecia that tend to become darker.
*Tremella candelariellae Diederich & Etayo
Belgium, Brab.: Geraardsbergen, Chappel Oudenberg (E3.45), on the wall of a church
(calcareous stones, mortar, etc.), on Candelariella vitellina, 8.1999, P. Diederich 13915
(h) & M. Hoffmann.
Luxembourg, Lorr.: Lorentzweiler, Roude Bam (L8.46), sur un toit en eternit, sur
C. aurella, 6.1997, P. Diederich 12808 (h); SE of Lasauvage, Grand-Bois (M7.48),