Checklist » Asteraceae » Sonchus arvensis ssp. uliginosus
Last updated 12/4/2008 by David Giblin.
Sonchus arvensis L. ssp. uliginosus (M. Bieb.) Nyman[FNA19, HC2]
field sow-thistle

Publication: Consp. Fl. Eur. 433. 1879.

Origin: Introduced from Europe

selected vouchers: WTU

Notes: Stace (1997) notes this may not be distinct from var. arvensis, and the vars. are not recognized in Jeps. Man., but they are provisionally accepted here, following Chambers and Sundberg (2000), and Douglas et al. (1998)

References: (none)

Synonyms & Misapplied Names:
Sonchus arvensis L. var. glabrescens G√ľnther
Sonchus uliginosus M. Bieb.[HC]