Robert W. Freckmann Herbarium


Because of technology changes and personnel changes at UWSP and the Wisconsin State Herbarium, the database of plant species housed at this site was merged with the database from the OLD WisFlora website to create a new Flora of Wisconsin website at Currently we are encouraging all Wisplant viewers to begin using the Flora of Wisconsin website as soon as possible. Wisplants will remain operational through July 13th. After that date, all traffic to Wisplants will be redirected to the Flora of Wisconsin website.

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  Aster borealis (Torr. & A.Gray) Prov. image
Photographer: Merel R. Black           

Emmet J. Judziewicz

Emmet J. Judziewicz

Kenneth J. Sytsma

Merel R. Black
Family Asteraceae
Aster borealis (Torr. & A.Gray) Prov.
northern bog aster, rush aster
Aster: from the Greek aster, "a star," describing the radiate heads of the flowers
borealis: northern
County distribution map- click for detailed distribution maps.
Detailed Distribution:
Town Range Maps
Google Dot Maps
Status: Native
Plant: erect, perennial, 6"-32" tall forb; slender stems usually less than 1/10" thick
Flower: head 1" -1 1/3" wide with 20-50 white to pale blue rays; inflorescence usually wide, short clusters of 1 to a few heads; blooms July-Oct.
Leaf:mostly along the stem, linear, stalkless, usually slightly clasping, entire
Habitat: wet, cold; bogs, meadows, shores

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

Flora of North America (off site)
Aster franklinianus Rydb.
Aster junceus auct. non Aiton
Aster junciformis Rydb.
Aster laxifolius Lindl. var. borealis Torr. & A.Gray
Aster laxifolius Nees var. laetiflorus Torr. & A.Gray
Symphyotrichum boreale (Torr. & A.Gray) A.Löve & D.Löve

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