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- Croton macradenius
- Croton macrodontus
- Croton macrostachys
- Croton macrostigma
- Croton magdalenensis
- Croton malambo
- Croton malvaviscifolius
- Croton maracayuensis
- Croton marginatus
- Croton maritimus
- Croton masonii
- Croton matourensis
- Croton mauritianus
- Croton medusae
- Croton megalobotrys
- Croton megalocarpus
- Croton meissneri
- Croton melanoleucus
- Croton mentiens
- Croton menyharthii
- Croton metallicus
- Croton mexicanus
- Croton michauxii
- Croton microcalyx
- Croton microgyne
- Croton microtiglium
- Croton migrans
- Croton missionum
- Croton mollis
- Croton monachinoensis
- Croton monanthogynus - prairie-tea
- Croton mongue
- Croton montevidensis
- Croton morifolius
- Croton moritibensis
- Croton morotaeus
- Croton mubango
- Croton mucronifolius
- Croton muricatus
- Croton muriculatus
- Croton muscicapa
- Croton mutisianus
- Croton myricifolius
- Croton myriodontus
Read more about this topic: List Of Croton Species