Robert W. Freckmann Herbarium


  Senecio congestus (R.Br.) DC. image
Photographer: Matt Bushman           

Botanical Illustration

Botanical Illustration

Derek Anderson

Emmet Judziewicz

Emmet Judziewicz

Matt Bushman

Matt Bushman

Matt Bushman

Robert R. Kowal

Robert R. Kowal
Family Asteraceae
Senecio congestus (R.Br.) DC.
marsh fleabane, marsh ragwort, northern swamp groundsel
Senecio: from senex, "old man," referring to the gray hairs on the seeds
congestus: congested
County distribution map- click for detailed distribution maps.
Detailed Distribution:
Town Range Maps
Google Dot Maps
Status: Special Concern
Plant: erect, annual/biennial, 6" - 60" tall, very hairy forb with a single stem
Flower: head 1/4"-1/2" wide with pale yellow, small but obvious rays; inflorescence of several to many heads in a dense, branched cluster; blooms June-Aug.
Fruit:dry seed on fluffy pappus
Leaf:edges mostly toothless or with a few coarse teeth
Habitat: moist to wet; swamps, sandy pond edges
(Glossary)

More Information Natural Communities Herbarium Specimens
All Senecio list Google- Images or Text

Flora of North America (off site)
Synonyms 
Senecio congestus (R.Br.) DC. subsp. tonsus (Fernald) A.Löve & D.Löve
Senecio congestus (R.Br.) DC. var. palustris (L.) Fernald
Senecio congestus (R.Br.) DC. var. tonsus Fernald
Senecio palustris (L.) Hook.

         
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