Browse Plants by Type: 4 petals

Gayophytum diffusum

spreading groundsmoke

Gentiana affinis

trapper's gentian

Gentiana calycosa

explorer's gentian

Gentiana sceptrum

king's scepter gentian

Gentiana setigera

Mendocino gentian

Gentianella amarella

northern gentian

Gentianopsis simplex

one-flowered gentian

Lepidium campestre

field peppergrass

Lesquerella douglasii

Douglas's bladderpod

Lesquerella occidentalis

western lesquerella

Oenothera biennis

common evening primrose

Oenothera caespitosa

stemless evening primrose

Oenothera pallida

pale-stemed evening primrose

Oenothera villosa

hairy evening primrose

Plantago lanceolata

English plantain

Plantago major

broadleaf plantain