Flora Europaea: Notulae Systematicae ad Floram Europaeam spectantes: No. 12
- 1 April 1972
- journal article
- Published by Oxford University Press (OUP) in Botanical Journal of the Linnean Society
- Vol. 65 (2) , 223-269
- https://doi.org/10.1111/j.1095-8339.1972.tb00935.x