Checklist » Excluded Taxa » Helianthus maximiliani
Last updated 10/13/2020 by David Giblin.
Helianthus maximiliani Schrad.[FNA21, HC2]
narrow leaved sunflower
[This taxon is excluded from Washington]

Publication: Index Seminum (Göttingen). 1834: unpaged. 1835.

Origin: Introduced

selected vouchers: Not at WTU; WS?

Notes: This species is known from Washington by a single collection by Suksdorf in 1919, and it has not been collected elsewhere in Washington since then. Until additional specimens are collected indicating its establishment in the flora, this species is considered excluded in Washington.

References:

» 1959 Mem. of the Torrey Bot. Cl., WA report
Synonyms & Misapplied Names:
Helianthus maximilianii Schrad.[HC]