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Browsing by Author Zimmermann, Helmuth G.
Showing results 1 to 3 of 3
| Issue Date | Title | Author(s) |
| 2020-10-01 | Exceptional biological control of two varieties of Cylindropuntia fulgida (Cactaceae) in South Africa using a recently-identified different biotype of the cochineal insect, Dactylopius tomentosus (Dactylopiidae) | Klein, Hildegard; Zimmermann, Helmuth G.; Xivuri (SANBI), Travor |
| 2019-10-16 | Global actions for managing cactus invasions | Novoa (SANBI), Ana; Brundu, Giuseppe; Day, Michael D.; Deltoro, Vicente; Essl, Franz; Foxcroft, Llewellyn C.; Fried, Guillaume; Kaplan (SANBI), Haylee; Kumschick (SANBI), Sabrina; Lloyd, Sandy; Marchante, Elizabete; Marchante, Hélia; Paterson, Iain D.; Pyšek, Petr; Richardson, David M.; Witt, Arne; Zimmermann, Helmuth G.; Wilson (SANBI), John R. U. |
| 2017-03 | A proposed national strategic framework for the management of Cactaceae in South Africa | Kaplan (SANBI), Haylee; Wilson (SANBI), John R.U.; Klein, Hildegard; Zimmermann, Helmuth G.; Manyama (SANBI), Phetole; Ivey (SANBI), Philip; Richardson, David M.; Novoa (SANBI), Ana; Henderson, Lesley |
