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Plant Database

Search for native plants by scientific name, common name or family. If you are not sure what you are looking for, try the Combination Search or our Recommended Species lists.

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Bidens beckii (Beck's watermarigold)
Smith, R.W.

Bidens beckii

Bidens beckii Torr. ex Spreng.

Beck's Watermarigold

Asteraceae (Aster Family)

Synonym(s): Megalodonta beckii, Megalodonta beckii var. beckii, Megalodonta beckii var. hendersonii, Megalodonta beckii var. oregonensis

USDA Symbol: BIBE2

USDA Native Status: L48 (N), CAN (N)


From the Image Gallery

3 photo(s) available in the Image Gallery

Plant Characteristics

Duration: Perennial
Habit: Herb
Size Notes: Aquatic stems up to about 6 feet long.
Fruit: Fruit is a cypsela (pl. cypselae). Though technically incorrect, the fruit is often referred to as an achene.

Bloom Information

Bloom Color: Yellow , Green , Brown
Bloom Time: Jul , Aug , Sep


USA: CT , IA , ID , IL , IN , MA , MD , ME , MI , MN , MO , MT , NH , NJ , NY , OH , OR , PA , RI , VT , WA , WI
Canada: NB , NS

Value to Beneficial Insects

Special Value to Native Bees

This information was provided by the Pollinator Program at The Xerces Society for Invertebrate Conservation.

National Wetland Indicator Status

This information is derived from the U.S. Army Corps of Engineers National Wetland Plant List, Version 3.1 (Lichvar, R.W. 2013. The National Wetland Plant List: 2013 wetland ratings. Phytoneuron 2013-49: 1-241). Click here for map of regions.

Additional resources

USDA: Find Bidens beckii in USDA Plants
FNA: Find Bidens beckii in the Flora of North America (if available)
Google: Search Google for Bidens beckii


Record Modified: 2012-07-06
Research By: TWC Staff

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