All Plants

Rugel's plantain

Plantago rugelii

Rough-pod copperleaf

hop-hornbeam copperleaf

Acalypha ostryifolia

Rice cutgrass

Leersia oryzoides

Mucronate sprangletop

Red sprangletop

Leptochloa panicea

Round-fruit St. John's-wort

Hypericum sphaerocarpum

Rattlebox

arrow crotalaria, arrowhead rattlebox

Crotalaria sagittalis

Rough buttonweed

buttonweed, poorjoe

Diodia teres

Red oak

Northern red oak

Quercus rubra

Rattlesnake-root

rough rattlesnake-root, rough white lettuce, white lettuce

Prenanthes aspera

Rock buttercup

Ranunculus micranthus

Sparse-fruited sedge

Rich woods sedge

Carex oligocarpa

Russian thistle

prickly Russian thistle, tumbleweed, tumbling thistle

Salsola tragus

Bushy seedbox

rattle-box, smooth seedbox, square-pod water-primrose

Ludwigia alternifolia

Ratany

prairie bur, trailing ratany

Krameria lanceolata

Riddell ragwort

Senecio riddellii

Red-based spikesedge

bald spikerush

Eleocharis erythropoda

Small lupine

low lupine, Rusty lupine

Lupinus pusillus

Rescue grass

rescue brome

Bromus catharticus

Rocky Mountain zinnia

Plains zinnia

Zinnia grandiflora

Black-foot daisy

plains blackfoot, rock daisy

Melampodium leucanthum