Flora of North America species comparison

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Ranunculus alismifolius var. hartwegii
Photo is of parent taxon

common water plantain buttercup, Hartweg's buttercup
Roots

not or scarcely fusiform-thickened proximally.
Stems

13-30 cm × 1-3 mm, glabrous.
Leaves

blade lanceolate (usually narrowly so), 3.4-9.5 × 0.8-1.5 cm, base acute to acuminate (or sometimes obtuse), margins entire.
Flowers

petals 5-6, 6-8 × 3-5 mm.

Ranunculus alismifolius var. hartwegii
Phenology Flowering spring–summer (May–Aug).
Habitat Meadows, open slopes and stream banks
Elevation 1400-2600 m (4600-8500 ft)
Distribution
from FNA
CA; ID; NV; OR; WA; WY
[BONAP county map]
Discussion

This variety is poorly defined and grades into several other varieties.

(Discussion copyrighted by Flora of North America; reprinted with permission.)
Source FNA vol. 3.
Parent taxa Ranunculaceae > Ranunculus > subg. Ranunculus > sect. Flammula > Ranunculus alismifolius
Sibling taxa
R. alismifolius var. alismellus, R. alismifolius var. alismifolius, R. alismifolius var. davisii, R. alismifolius var. lemmonii, R. alismifolius var. montanus
Synonyms R. hartwegii
Name authority (Greene) Jepson: Fl. Calif. 1: 534. (1922)
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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