@article{009930960, title = "Origin of the woody macaronesian Sempervivoideae and the phylogenetic position of the East African species of Aeonium", author = "Mes, T.H.M. and Van Brederode, J. and &apos and t Hart, H.", year = "1996", journal = "Botanica Acta", volume = "109", number = "6", pages = "477-491", issn = "0932-8629", doi = "10.1111/j.1438-8677.1996.tb00601.x", url = "https://eurekamag.com/research/009/930/009930960.php" }