Coleostephus myconis
Coleostephus myconis, known as the corn marigold, is an annual herbaceous plant belonging to the genus Coleostephus of the family Asteraceae. Description
Coleostephus myconis is an annual plant that reaches a height of . It is glabrous to hairy, the stem is erect, usually branched. The lower leaves are spatulate. the median ones are lanceolate, dentate, more or less amplexicaul. Inflorescences are orange-yellow, about  wide, solitary and terminal. The flowering period extends from April to July. Distribution and ecology
C. myconis occurs in the Mediterranean region of southern Europe. It usually grows in grassy fields, at altitudes of . It has also been introduced in the south of Brazil, Argentina and Uruguay, where it is considered an invasive species. References

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Anthemideae
Flora of Europe
Plants described in 1763