Robert W. Freckmann Herbarium

  Caltha natans Pall. image
Photographer: William S. Alverson           

William S. Alverson

William S. Alverson

William S. Alverson
Family Ranunculaceae
Caltha natans Pall.
floating marsh-marigold
Caltha: old Greek and later Latin name for the marigold or "chalice" or "cup"
natans: floating
County distribution map- click for detailed distribution maps.
Detailed Distribution:
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Status: Endangered
Plant: perennial, floating aquatic with slender stems
Flower: pink to white, 5-9-parted, 1/3" wide, petal-like sepals; blooms July-Aug.
Leaf:kidney-shaped to widely heart-shaped, not divided
Habitat: cold ponds, slowly moving streams

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

Flora of North America (off site)
Thacla natans (Pall.) Deyl & Soják

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