Native Plant
Lewis River Suncup

Camissonia parvula

annual

forb

Native Plant
Lewis’ Buckwheat

Eriogonum lewisii

perennial

forb

Native Plant
Lewis’ Clarkia

Clarkia lewisii

annual

forb

Native Plant
Lewis’ Evening Primrose

Camissonia lewisii

annual

forb

Native Plant
Lewis’ Groundsel

Packera eurycephala var. lewisrosei

perennial

subshrub

Native Plant
Lewis’ Heartleaf

Hexastylis lewisii

perennial

forb

Native Plant
Lewis’ Mock Orange

Philadelphus lewisii

perennial

shrub

Native Plant
Lewisia

Lewisia ×whiteae

perennial

forb

Native Plant
Lewisia

Lewisia

perennial

forb

Non-native Plant
Lewiston Cornsalad

Valerianella locusta

annual

forb

Native Plant
Lewton’s Milkwort

Polygala lewtonii

biennial

forb

Non-native Plant
Leycesteria

Leycesteria

perennial

shrub

Non-native Plant
Leyland Cypress

×Hesperotropsis leylandii

perennial

tree

Non-native Plant
Leymus Akmolinensis

Leymus akmolinensis

grass

Non-native Plant
Leymus Alaicus

Leymus alaicus

grass

Non-native Plant
Leymus Alaicus Karataviensis

Leymus alaicus karataviensis

grass