WHERE’S WILDLIFE • WILDFLOWER FIELD GUIDE

White Water Crowfoot

Ranunculus aquatilis

An aquatic buttercup with small white flowers held above the water. Yellow flower centers contrast with five white petals, while finely divided foliage grows beneath the surface.

White Water Crowfoot field photographs. Select the photo to open the slideshow.

NATIVE • WILDFLOWER

At a glance

Family: Ranunculaceae (Buttercup family)
Growth: Aquatic perennial
Bloom: Spring–summer
Habitat: Shallow water in ponds, lakes, marshes and slow-moving streams

Other common names
Water Buttercup · Long-beak Buttercup

Bloom timing varies by location. Some references treat the eastern plant as Ranunculus longirostris or R. aquatilis var. diffusus.

Range Map

Explore photographed sightings and their locations.

How to recognize it

Key identification features

  • Five white petals with yellow bases and a cluster of yellow stamens
  • Flowers held singly on slender stalks above the water
  • Submerged leaves divided into fine, threadlike segments

The tiny oval leaves carpeting the water in several photos are duckweed, a separate plant. Similar white-flowered water crowfoots may require leaf and fruit details for a finer identification.

Where and when to look

Habitat
Shallow water in ponds, lakes, marshes and slow-moving streams

Bloom period
Spring through summer, depending on location and conditions.

Field photographs

Compare flowers, foliage and the plant in its habitat. Select any photo to enlarge it.

Range & sightings

Native in North America, including the Upper Midwest.

Documented in these states: Minnesota and Wisconsin. This is a selected list, not the full range.

Photographed at Pickerel Lake Fen, Wisconsin (DSCN1472).

Observations show reported sightings; they do not define the plant’s complete native range.

Keep learning

Study the photographs and field notes for White Water Crowfoot, then practice identifying this and other wildflowers in the quiz.

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