Youngia
From Wikipedia, the free encyclopedia
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 Youngia japonica
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Youngia is an Asiatic genus of Asteraceae. There are several weed species in the genus including Youngia japonica whih is also known as Japanese Hawkweed.
Youngia was first desctibed in 1831 by H. Cassini, and the genus was later united with Crepis. Taxomonic and cytogenetic studies by E. B. Babcock and G. Ledyard Stebbins led to the reclassification of the genus in the 1930s.
[edit] Reference
- Babcock, E.B. and Stebbins, G.L. 1937. The genus Youngia. Carnegie Institution of Washington
