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.
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