Dubautia knudsenii Hillebr. var. degeneri Sherff, Bot. Gaz. (Crawfordsville) 96: 151. 1934.
Type information:
Holotype
[F]. O. Degener 4259. 8 May 1928. Moloka`i: [northeastern Moloka`i], N of Pepe'opae bog, open rain forest. Isotype(s)
[NY [mfc!]].
Note: There are three sheets of Degener et al. 4259 at US that are all collections of Bidens populifolia, collected 6 Nov. 1932 (one sheet has date of 1933).
=Dubautia laxa subsp. laxa
Note: There are three sheets of Degener et al. 4259 at US that are all collections of Bidens populifolia, collected 6 Nov. 1932 (one sheet has date of 1933).
*Verification: R.K. Shannon.