الأربعاء، 11 مايو 2016

Aster (genus)

Aster (genus)



Aster is a genus of flowering plants in the family Asteraceae. Its circumscription has been narrowed, and it now encompasses around 180 species, all but one of which are restricted to Eurasia; many species formerly in Asterare now in other genera of the tribe Astereae.

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