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666. Tillaea muscosa L., Sp. Pl.: 129 (1753) [Crassula tillaea Lest.-Garl., Fl. Jersey: 87
(1903)]
Sands, muds on siliceous ground. – Throughout the region. – CC.
667. Tillaea basaltica (Brullo & G. Siracusa) Brullo, G. Giusso del Galdo & G. Siracusa in
Inf. Bot. Ital. 35 (1): 227 (2003) [Bas. Crassula basaltica Brullo & G. Siracusa in Fl.
Medit. 4: 175 (1994)]
ES – Basins and cracks on basalt. – Perhaps already collected at Acireale by Nicotra (1890: sub
Tillaea muscosa), but not described “NB. E’ diversa da quella che ho raccolto a Messina!”. –
Etna a Bronte in C.da Cipollazzo (Brullo & Siracusa, loc. cit.); Catania via Pietra dell’Ova
(Galesi), Mineo Poggio Rocchicella (Galesi) (Galesi & al. 2006). – R.
Dry meadows, pastures, cultivations also cultivated. – Throughout the region. – C.

668. Tillaea campestris (Ecklon & Zeyher) Brullo, G. Giusso del Galdo & G. Siracusa in
Inf. Bot. Ital. 35 (1): 226 (2003) [Bas. Tetraphyle campestris Ecklon & Zeyher, Enum.:
294 (1837)]
According to Webb & Akeroyd (1993) this S African species occurs scattered along the coasts of
the Mediterranean sea may be considered an archeophyte. – Sands and soil in basins on cliffs. –
Su depositi sabbiosi ai piedi di M. Catalfano in Contrada Vignazza (Bagheria) (Brullo &
al.,1998); Conchette con terriccio sabbioso-humoso a Solunto (Bagheria) (Giardina & Rossello,
FI). – RR.
669. Tillaea alata Viv., Pl. Aegypt. Dec.: 16 (1830) [Crassula alata A. Berger in Engl. &
Prantl, Nat. Pflanzenfam. ed. 2, 18 a: 389 (1930)]
Sands and lava soil in basins on cliffs. – Segnalata recentemente per Pantelleria al Faro di Punta
Spadillo, Monte Gitele, M. Grande e Gelkhamar (Bartolo & al. 2005). – RR.
670. Crassula muscosa L., Pl. Rar. Afr.: 10 (1760) [Crassula lycopodioides Lam.]
On the roofs of old houses. – Species native to South-Africa and naturalized at Ficarazzi in Via
Nazionale, e a Palermo al Corso dei Mille e nel Largo S. Severino presso Piazza Leoni (Dia &
Romano 1981). – R.
* Crassula tetragona L., Sp. Pl.: 283 (1753)
Species native to Southern Africa and reported as casually naturalized in Sicily by Mazzola
(1983).
671. Kalanchoe daigremontiana Hamet & Perrier in Ann. Mus. Colon. Marseille ser. 3, 2:
128 (1914)
Roofs, paves. – Species native to Madagascar and reported as casually naturalized for Sicily by
Mazzola (1983). – R.
* Kalanchoe tubiflora Hamet in Ann. Mus. Colon. Marseille, ser. 3, 2: 125 (1914)
Roofs, paves. – Species native to Madagascar and reported as casually naturalized for Sicily by
Mazzola (1983). – R.

672. Umbilicus rupestris (Salisb.) Dandy in Ridd., Hedley & Price, Fl. Gloucestershire:
611 (1948) [Bas. Cotyledon rupestris Salisb., Prodr. Stirp. Chap. Allerton: 307 (1796);
C. umbilicus L.]
Wet and shady cliffs, old walls. – Throughout the region. – CC.