Rattlesnakemaster          

Red River Scaleseed          

Redfruit Desertparsley          

Ribbed Mock Bishopweed          

Ripleys Springparsley          

Rockloving Wavewing          

Rocky Mountain Alpineparsley          

Rocky Mountain Hemlockparsley          

Rocky Mountain Indian Parsley          

Rocky Mountain Springparsley          

Rollins Biscuitroot          

Rose Angelica          

Roses Springparsley          

Rough Chervil          

Rough Desertparsley          

Rough Hedgeparsley          

Roughfruit Scaleseed          

Rush Biscuitroot          

Rushleaf Eryngo