TY - JOUR ID - 14451400 TI - The species concept in Duvalia (Asclepiadaceae) : A preliminary revision of the genus AU - Meve, Ulrich AU - Albers, Focke PY - DB - UniCat KW - Asclepiadaceae KW - Duvalia KW - Stapelieae KW - distribution KW - phylogeny UR - https://www.unicat.be/uniCat?func=search&query=sysid:14451400 AB - ER -