Flora of North America species comparison

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Ranunculus aquatilis var. aquatilis
Photo is of parent taxon

leafy water buttercup, white water butter cup
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).

Ranunculus aquatilis var. aquatilis
Phenology Flowering spring–summer (Apr–Sep).
Habitat Marshes, ditches, streams, ponds, and lakes
Elevation 0-2500 m (0-8200 ft)
Distribution
from FNA
AK; CA; ID; MT; NV; OR; UT; WA; WY; BC; NT; 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.

(Discussion copyrighted by Flora of North America; reprinted with permission.)
Source FNA vol. 3.
Parent taxa Ranunculaceae > Ranunculus > subg. Batrachium > Ranunculus aquatilis
Sibling taxa
R. aquatilis var. diffusus
Synonyms R. aquatilis var. hispidulus, R. trichophyllus var. hispidulus
Name authority unknown
Web links 
Unless otherwise noted, all data comes from the online version of the Flora of North America, who have made most of their content available via a Creative Commons license (CC BY 4.0).



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(If the plant you're looking for doesn't show up in the auto-complete list, that means it either isn't described in Flora of North America yet, or it's listed under a synonym. And please note that Flora of North America is still missing several plant families, including Apiaceae, Boraginaceae, and Polemoniaceae.)

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