Thomas, David; Thomas, Barry J.; Bartholomew, Barbara; Sharp, Hazel J.; Nash, Robert J.; Latif, Zahid; Sarker, S. D.
(2001)
Rhamnus pubescens Sibth. & Sm. non Poir., originally from Greece, is a European species of Rhamnaceae (PANDORA Taxonomic Database System, 1999. Flora Europaea. Royal Botanic Garden Edinburgh, UK. Available on line at: ...