Tephroseris palustris

Tephroseris palustris
Scientific classification Edit this classification
Kingdom: Plantae
Clade: Tracheophytes
Clade: Angiosperms
Clade: Eudicots
Clade: Asterids
Order: Asterales
Family: Asteraceae
Genus: Tephroseris
Species:
T. palustris
Binomial name
Tephroseris palustris
(L.) Schrenk ex Rchb.
Range of T. palustris
Synonyms
List
  • Cineraria congesta R. Br.
  • Cineraria palustris (L.) L.
  • Cineraria unctuosa Gilib.
  • Heloseris palustris (L.) Rchb. ex Nyman
  • Othonna palustris L.
  • Senecio arcticus Rupr.
  • Senecio congestus (R.Br.) DC.
  • Senecio gracillimus C.Winkl.
  • Senecio kalmii Less.
  • Senecio palustris (L.) Hook.
  • Senecio tubicaulis Mansf.
  • Senecio villosus Kostel.

Tephroseris palustris, also known by its common names swamp ragwort, northern swamp groundsel, marsh fleabane, marsh fleawort, clustered marsh ragwort and mastodon flower, a herbaceous species of the family Asteraceae. It can be seen most easily when its bright yellow umbel flowers appear from May to early July standing 3 to 4 feet (0.9 to 1.2 m) along marshes, stream banks and slough areas where it likes to grow.[1][2][3]

  1. ^ Kershaw, Linda (2003). Saskatchewan Wayside Wildflowers. Edmonton, Alberta: Lone Pine Publishing. p. 84. ISBN 1-55105-354-3.
  2. ^ Wilkinson, Kathleen (1999). Wildflowers of Alberta A Guide to Common Wildflowers and Other Herbaceous Plants. Edmonton Alberta: Lone Pine Publishing and University of Alberta. p. 284. ISBN 0-88864-298-9.
  3. ^ NDSU Extension Service. "Swamp ragwort". ND Noxious & Troublesome Weeds. North Dakota State University USDA Cooperative extension service. Retrieved 2008-02-23. Swamp ragwort has been increasing in frequency recently and infestations should be monitored even though the plant generally is not considered invasive.