TOMPKINS COUNTY FLORA
Helianthus laetiflorusPers.
Mitchell NYNYFA TCUSDA NY
accepted no not treated
Asteraceae

This taxon is a hybrid between H. pauciflorus and H. tubiflorus. It should be designated H. xlaetiflorus. It is commonly cultivated.


BH SPECIMENS FOR Helianthus laetiflorus (this list may be incomplete)
 Ithaca, Cornell University Campus, along Six Mile Creek, on right bank just upstream from Giles Street Bridge, ray flowers orange-yellow, disc flowers yellow, 7 Aug 1964, Minacci (BH 21983);
 Ithaca, Cornell University Campus, along Six Mile Creek, on right bank just upstream from Giles Street Bridge, ray flowers bright yellow, paler than in Plants A and B, 7 Aug 1964, Minacci Plant C (BH 21984);
 Town of Lansing, 2 km E of South Lansing, along Peruville Road, 19 Sep 1979, Wesley (BH 10721);

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