Bidens beckii Torrey ex Sprengel. Water-marigold, Water Beggar-ticks. Phen: Jul-Oct. Hab: Aquatic in calcareous lakes and swamps. Dist: NS west to SK, south to n. NJ, PA, n. OH, n. IN, IL, and IA.
Origin/Endemic status: Native
Taxonomy Comments: This species is sometimes treated in the monotypic genus Megalodonta; this is contradicted by molecular evidence, which shows B. beckii as a component of Bidens (Ganders 2000).
Other Comments: See Roberts (1985) for detailed information on this species.
Synonymy: = C, FNA21, G, K3, K4, Mi, NY, Pa; = Megalodonta beckii (Torr. ex Spreng.) Greene – F, Il, K1, Oh3, Roberts (1985); > Megalodonta beckii (Torr. ex Spreng.) Greene var. beckii – Sherff & Alexander (1955)
Wetland Indicator Status:
- Eastern Mountains and Piedmont: OBL
- Great Plains: OBL
- Midwest: OBL
- Northcentral & Northeast: OBL
Heliophily: 9
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© Nate Martineau, some rights reserved (CC BY-NC), uploaded by Nate Martineau source CC-BY-NC, permission granted to NCBG | Original Image ⭷
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