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260 Nimis et al.
Tonìnia aronuJtica (Sm .) Massai. - On soil in Verrucaria geopbila Zahlbr. - O n soil in
open garrigue vegetation (GZU, TSB).
open grassla nds, commo n throughout the isla nd
(GZU, TSB). Verrucaria boc bstetteri Fr. - Only found a
few times, but quite typìcal , o n limesto ne and
Toninia epìsenuJ (Nyl.) Timdal - Pa rasitic on dolomite in rather shaded situations, and at hìgher
Aspicilia calcarea, rather common (GZU, TSB). elevations (TSB).
Toninìa sedifolia (Scop .) Timdal - On soil, Verrucaria lecideoides (Massai.) Trevisan -
throughout the island, but not very abundant (GZU, At the top of calcareous boulde rs, in e utrophicated
PAL, TSB). situations (TSB).
Toninìa taurica (Sza t.) Oxner - On soil in Verrucaria nuJcrostoma DC. - On limestone
open grasslands and in ftssures o f calcareous rocks, walls near the village (GZU, PAL, TSB).
fo und only above 300m (TSB) .
Verrucaria muralis Ach. - On limestone walls
Tonìnia tristis (Th. Fr.) Th. Fr. - Only found near the vilJage (PAL, TSB).
once , on red soil at ca. 400m (TSB).
Verrucaria nigrescens Pe rs. - On limestone
Toninia tumidula (Sm.) Zahlbr. - On calcareous a nd do lomite, in rather eutrophicated situations,
rather frequent (CLU, PAL, TSB).
rocks at bigher elevations, quite rare (GZU, TSB).
Topelia beterospora (Zahlbr.) P. M. j 0rg. & Verrucaria gr. belveticorum - On Caloplaca
jlavescens(GZlJ). New to Italy.
Vezda - On sbaded calcareous rocks (GZU). New to
Italy. Xantboria calcico/a Oxner - Frequent at the
to p of exposed calcareous bou lders (GZU, PAL,
Top elìa ros ea (Servit) P. M . j 0rg. & Vèzda - TSB).
Q uite com mo n , e s pecially at inte rmediate
elevations, on rock, soil an d mosses; an ephemeral Xantboria ectaneoides (Nyl.) Zahlbr - On the
species (CLU, GZU, TSB). to p o f calcareous bo ulders near the coast. This
perhaps heterogeneous spedes is characterized by
Tornabea scuteUifera (With.) l.aundon - Only the narrow , strap - shaped lobes (TSB) .
locally common , at ca. 400 m, on Q. ilex and on
bra nc hes of shrubs in rather s helte red situations Xantboria parietina ( L.) Th . Fr. - On
(CLU, GZU, PAL, TSB). Ceratonia near the village, locally common (GZU,
PAL, TSB).
Trapelia corticola Coppins & P. j ames - On
Q. i/exat ca. SOOm, rare (PAL, TSB). Xantboria steinerl Lamb - On the branches of
shrubs in the low macchia. Thallus and spores of
Usnea articulata ( L.) Ho ffm . - On Q. ilex, this species are smaller than those of X. parletina.
X . st etnerl is perhaps more wides p read in the
restricted to the highest parts of the island, and to southern part of the Mediterranean region. (GZU,
N- facing slopes(CLU, GZU, PAL, TSB) . TSB) . New to Italy.
Usnea filipendula Stirton s . lat. - Epiphytic, Xantboriicola pbysciae (Kalkbr.) D.
only at higher elevations (TSB) . Hawk..c;w. - Parasitic on Xanthorla steinerl (CLU,
GZU).
Usnea rubìcunda Stirton - O n Q. ilex ,
sometimes on shrubs, restricted to the highest parts Voauxiella licbenicola ( Lindsay) Petr. &
of the island (CLU, GZU, PAL, TSB). Syd. - On Lecanora horiza at ca. 400 m (GZU).
Verrucarla ampbibìa Cleme nte - A maritime Zamenbofia coralloidea (P. ja mes) Clauz. &
s pecies, on cal careous rocks , perio dical ly Roux - Found o n ly once , to ge ther with the
s ubmerged, near the village (GZU, PAL, TSB). following species (TSB).
Verrucaria aspiciliicola R. Sant. - Parasitic Zamenbofia bibernica (P. james & Swinscow)
on Aspicilia calcarea, not uncommon (GZU, TSB). Cla uz. & Roux - Found only o nce, a bundantly
coverìng the trunks of a few old specimens of Q.
Verrucaria calciseda a uct. non DC. - On ilex at ca. 400m (TSB). New to Italy.
limestone, throughout the island, but apparently not
very common (PAL, TSB). Discussion and Conclusion
The previous list ind udes 291 taxa. Of these, 278
Verrucaria cyanea Massai. - On limestone a re lichen ized fu ngi , a nd 13 n on - lichenized
and dolomite in rather shaded situations, especially lichenicolo us fu ngi. Bark a nd rock a re the most
in the highest pa rts of the island (TSB). important substrata, hosting, respectively, 44.6 %
Verrucaria dinarica Zahlbr. - On limestone.
Complies with the description (GZU). New to ItaJy.
Verru c aria fus c ula Nyl. - Pa rasiric o n
Aspicilia calcarea, q uite commo n throughout the
island (CLU, GZU, TSB).
Bull. Soc. linn. Provence. t. 45, 1994
