استئوسپرموم: تفاوت میان نسخه‌ها

* [http://www.biologie.uni-hamburg.de/b-online/ibc99/ibc/abstracts/listen/abstracts/3885.html A phylogenetic study of the Calenduleae - Bertil Nordenstam & Ida Trift]

* [http://www.osteospermum.com Osteospermum.com - a website with lots of information and photographs]

* [http://www.sunadora.com Sunadora Osteospermums]