Ranunculus aquatilis var. aquatilis
Selected by author to be illustrated
Synonyms: Ranunculus aquatilis var. hispidulus (Drew) W. B. Drew Ranunculus trichophyllus var. hispidulus unknown
Treatment appears in FNA Volume 3.
Revision as of 20:52, 24 September 2019 by FNA>Volume Importer
Leaves of 2 types: laminate and filiform-dissected. Achenes 1.6-2 × 1-1.4 mm; beak 0.1-0.4 mm. 2n = 48 (Europe).
Phenology: Flowering spring–summer (Apr–Sep).
Habitat: Marshes, ditches, streams, ponds, and lakes
Elevation: 0-2500 m
Distribution
B.C., N.W.T., Alaska, Calif., Idaho, Mont., Nev., Oreg., Utah, Wash., Wyo., South America, Eurasia.
Discussion
Plants growing in deep water may flower without producing floating leaves. Such plants cannot be distinguished from specimens of Ranunculus aquatilis var. diffusus except by culture in shallow water.
Selected References
None.
Lower Taxa
None.