Trifolium nigrescens Viv., Fl. Ital. Fragm.

Peruzzi, Lorenzo, Galasso, Gabriele, Domina, Gianniantonio, Bartolucci, Fabrizio, Santangelo, Annalisa, Alessandrini, Alessandro, Astuti, Giovanni, D’Antraccoli, Marco, Roma-Marzio, Francesco, Ardenghi, Nicola M. G., Barberis, Giuseppina, Conti, Fabio, Bernardo, Liliana, Peccenini, Simonetta, Stinca, Adriano, Wagensommer, Robert P., Bonari, Gianmaria, Iamonico, Duilio, Iberite, Mauro, Viciani, Daniele, Guacchio, Emanuele Del, Galdo, Gianpietro Giusso Del, Lastrucci, Lorenzo, Villani, Mariacristina, Brunu, Antonello, Magrini, Sara, Pistarino, Annalaura, Brullo, Salvatore & Salmeri, Cristina, 2019, An inventory of the names of native, non-endemic vascular plants described from Italy, their loci classici and types, Phytotaxa 410 (1), pp. 1-215 : 172

Trifolium nigrescens Viv., Fl. Ital. Fragm. : 12 (pl. 13). 1808. [March–December 1808] subsp. nigrescens

Ind. Loc.:—“reperi in littore Romano, non longe ab Ostia, nunc Fiumicino”. LAZ

Type:—Not designated.

Compiled by:— G. Barberis