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Sonchus L.
Genus composed of about 130 species from Eurasia, Africa and Oceania. In North Africa it is represented by 13 annual or biennial herbaceous species, except one, S. pinnatifidus, which is a shrub up to 2(2.5) m in height.
Aldridge, A.A. 1976. Macaronesian Sonchus subgenus Dendrosonchus s. l. (Compositae-Lactuceae), including a reappraisal of the species concept and new combinations. Bot. Macaronesica 2: 81-93.
Updated by: B. Valdés.