Ranunculus trichophyllus Chaix. Subgenus: Auricomus. Section: Batrachium. Common name: Threadleaf Water-crowfoot, White Water-crowfoot. Phenology: May-Sep. Habitat: Pools, slow-moving water. Distribution: Circumboreal, south in North America to VA, c. TN, IL, IA, NE, NM, AZ, CA, and Mexico.
Origin/Endemic status: Native
Synonymy ⓘ: = Il, K4, Mi, POWO, Wiegleb, Bobrov, & Zalewska-Gałosz (2017); = n/a — Tat; = Ranunculus aquatilis L. var. capillaceus (Thuill.) DC.; = Ranunculus aquatilis L. var. diffusus With. — FNA3, Tn; = Ranunculus trichophyllus Chaix var. trichophyllus — F, NS; > Batrachium flaccidum (Pers.) Rupr. — S13; > Batrachium trichophyllum (Chaix) Bosch var. caespitosum Britton & A.Br. — S13; > Batrachium trichopyllum (Chaix) Bosch var. trichophyllum — S13; < Ranunculus aquatilis L. — Mex; >< Ranunculus aquatilis L. — Can; < Ranunculus aquatilis L. var. diffusus With. — Pa; > Ranunculus trichophyllus Chaix — Can; > Ranunculus trichophyllus Chaix var. calvescens (W.B.Drew) L.D.Benson — C, F, G; > Ranunculus trichophyllus Chaix var. trichophyllus — C, G. Basionym: Ranunculus trichophyllus Chaix 1786
Links to other floras: = Ranunculus aquatilis var. diffusus - FNA3
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Wetland Indicator Status:
- Atlantic and Gulf Coastal Plain: OBL
- Eastern Mountains and Piedmont: OBL
- Great Plains: OBL (taxonomic lump from wetland indicator species)
- Midwest: OBL
- Northcentral & Northeast: OBL
Heliophily ⓘ: 8
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© Shaun Pogacnik, some rights reserved (CC BY-NC), uploaded by Shaun Pogacnik source CC-BY-NC, permission granted to NCBG | Original Image ⭷
© Summit Metro Parks, some rights reserved (CC BY), uploaded by Summit Metro Parks source CC-BY | Original Image ⭷
© Michael J. Oldham, some rights reserved (CC BY-NC), uploaded by Michael J. Oldham source CC-BY-NC, permission granted to NCBG | Original Image ⭷Feedback
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