Spilanthes and Acmella

[Marcela Umaña]

We are ecologist and we are making a study about Spilanthes americana
(family compositae) also known as Acmella mutisii. We would like to know if
any of you can help us finding information about the genera Spilanthes and
Acmella.

Thank you very much in advance.

marcela uma?a
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