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Sperone di S. Nicola l’Arena, Borgo Molara di Palermo, Contrada Bascone di Bagheria, Fondo
Carramusa di Palermo (Raimondo & al. 1979). – R.
251. Amaranthus retroflexus L., Sp. Pl.: 991 (1753)
Ruins, debris, a weed in summer crops in dry and soft ground. – Nnative to North-America, nat-
uralized everywhere in the region. – C.

252. Amaranthus muricatus (Gillies ex Moq.) Hieron. in Bol. Acad. Nac. Ci. 4: 321
(1881) [Bas. Euxolus muricatus Gillies ex Moq. in DC., Prodr. 13 (2): 276 (1849)]
Ruins. – Native to South-America, naturalized in Palermo, at Ponte dell’Ammiraglio and at Viale
della Regione Siciliana (Sortino 1968). Confirmed by us in 2001!; Trapani al Lungomare di tra-
montana (Ottonello & Catanzaro 1986); ?Catania, Siracusa (Brullo & Marcenò 1985). – R.
* Amaranthus interruptus R. Br., Prodr.: 414, n. 2 (1810) [Euxolus rhombeus Moq. in DC.,
Prodr. 13 (2): 275 (1849)]
Ruins. – Australian species from doubtful locality (Lojacono 1904). Updated nomenclature and
localities need to be verified. – ?R.

253. Amaranthus blitoides S. Watson in Proc. Amer. Acad. Arts 12: 273 (1877)
A weed in not irrigated crops. – Near Sampieri (Brullo & Furnari 1970); and later in several other
localities. Lago Ancipa, Lago Disueri (Brullo & Marcenò 1974 b); Scoglitti, Pozzallo, Modica,
Gela, Mazara del Vallo e Lago Ancipa (Bartolo & al. 1976); Marina di Ragusa, Donnalucata,
Avola (Brullo & Marcenò 1979 b); Scicli, Tra Modica e Sampieri (Brullo & Marcenò 1985);
Piana degli Albanesi (Spadaro & Raimondo 2002 a). – C.
254. Amaranthus albus L., Syst. Nat. ed. 10, 2: 1268 (1759)
Ruins. – Native to North-America, naturalized. Everywhere in the region, but localised. – C.
Amaranthus graecizans L., Sp. Pl.: 990 (1753)

255. Amaranthus graecizans subsp. sylvestris (Vill.) Brenan in Watsonia 4: 273 (1961)
[Bas. A. sylvestris Vill., Catal. Pl. Jard. Strasb.: 111 (1807); A. graecizans L. var.
sylvestris (Vill.) Asch.; A. sylvestris Desf.]
Ruins, uncultivated land and often invasive in crops and vineyards. – Paleosubtropical, every-
where in the region. – C.
256. Amaranthus deflexus L., Mant. Pl. Alt.: 295 (1771) [A. prostratus Balb.; Euxolus
deflexus Raf.]
Along walls, ruins, gardens. – Southern-American taxon naturalized everywhere in the region.
– C.
257. Amaranthus blitum L., Sp. Pl.: 990 (1753) [Amaranthus lividus L. subsp. ascendens
(Loisel.) Wachter in Heukels; A. ascendens Loisel.; A. viridis sensu Lojac. (1904) non
L.; A. viridis var. adscendens Nicotra]
Along walls, ruins, in gardens. – Sicilia (Arcangeli 1882). Everywhere in the region, common
in Palermo and in Trapani areas. – C.
258. Amaranthus viridis L., Sp. Pl. ed. 2: 1405 (1763) [A. gracilis Desf.]
Ruins, railways tracks. – Southern-American taxon naturalized very common in Catania! and in
Palermo! First reported by Fiori (1923), and later confirmed by Chiovenda (1927). – C.