Viola nephrophylla

{{Short description|Species of flowering plant}}

{{Speciesbox

|image = Viola nephrophylla2.jpg

|genus = Viola (plant)

|species = nephrophylla

|authority = Greene

|range_map = Viola nephrophylla distribution.png

|range_map_caption = Distribution of Viola nephrophylla

|synonyms = *Viola maccabeana
M.S. Baker

• Viola pratincola
  Greene
• Viola retusa
  Greene

}}

Viola nephrophylla (northern bog violet, Leconte violet, or kidney leaved violet) syn. Viola nephrophylla Greene f. albinea (Farw.), Viola pratincola Greene, Viola retusa Greene ) is an annual or perennial forb in the Violet family (Violaceae) native to North America.{{cite web |url=http://wisplants.uwsp.edu/scripts/detail.asp?SpCode=VIONEP |title=Viola nephrophylla |publisher=Robert W. Freckmann Herbarium University of Wisconsin - Stevens Point |access-date=2010-03-10}}{{Cite book|last=Royer|first=France|title=Plants of Alberta, Trees, Shrubs, Wildflowers, Ferns, Aquatica Plants & Grasses|last2=Dickinson|first2=Richard|publisher=Lone Pine Publishing|year=2007|isbn=978-1-55105-283-0|location=Edmonton, Alberta, Canada|page=269|language=English}}

Viola nephrophylla was named by Edward Lee Greene in 1896 from specimens he collected near Montrose, Colorado. The species name, nephrophylla, is from the Greek for "kidney shaped leaves".{{Southwest Colorado Wildflowers |color=Blue Purple |genus=Viola |access-date=2010-03-10}}

Its habitats include moist meadows and open woods.