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.

Please direct any comments to

Thank you.

  Calla palustris L. image
Photographer: David Lee           

Botanical Illustration

David Lee

Emmet J. Judziewicz

J. Kathleen Clayton

Kurt Stüber

Christopher Noll

Paul Skawinski

Paul Skawinski

Robert Bierman

Robert R. Kowal

Scott A. Milburn

Kurt Stüber

Kurt Stüber
Family Araceae
Calla palustris L.
water-arum, wild calla
Calla: ancient name, meaning obscure
palustris: "of marshes"
Hazardous hazard symbol- click for definition
County distribution map- click for detailed distribution maps.
Detailed Distribution:
Town Range Maps
Google Dot Maps
Status: Native
Plant: erect, perennial, emergent, semi-aquatic 5"-10" tall; roots fleshy rhizomes
Flower: green to white, tiny, 6 stamens; inflorescence a 1"-2" spadix covered with flowers and beside a 2" white, open, flat, oval spathe; blooms June
Fruit:round cluster of red berries
Leaf:broadly oval with a pointed tip on a 2"-6" long stalk
Habitat: bogs, shallows, cold water; in peaty, mucky soil

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

Flora of North America (off site)
There are no synonyms for this taxon.

Botany News/Events
Book We Recommend
Historical Botanists
Other Links
Botanical Club of Wisconsin (off site)
UW-Stevens Point Biology Dept.
Plants of Wisconsin
Vascular Plants
Natural Communities
Botany News/Events
Other Links
Lichens (off site)   
Tom Volk's Fungi (off site)
Taxonomy of Vascular Plants
                          Vascular Plants
Browse by Identification Guides
Family Wildflowers
Genus Trees
Common Names Shrubs
Search by Vines
Names Aquatic-Semi aquatic
Specimens Ferns - Fern Allies
Blooming Times Grasses, Sedges, or Rushes
County & Status Other Resources  
Town Range Taxonomy of Vascular Plants
  WI Checklist & CofC Values
Browse by:
Common Name
Search by:
Copyright © 2012 Permissions Contact Us Web Map