Article
A common origin for woody Sonchus and five related genera in the Macaronesian islands: molecular evidence for extensive radiation.
Proceedings of the National Academy of Sciences of the United States of America - 23 Jul 1996
Kim S C, Crawford D J, Francisco-Ortega J, Santos-Guerra A
Abstract excerpt
Woody Sonchus and five related genera (Babcockia, Taeckholmia, Sventenia, Lactucosonchus, and Prenanthes) of the Macaronesian islands have been regarded as an outstanding example of adaptive radiation in angiosperms. Internal transcribed spacer region of the nuclear rDNA (ITS) sequences were used to demonstrate that, despite the extensive morphological and ecological diversity of the plants, the entire alliance...
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