Students randomly selected twenty-five specimens each of five species (Shooting-Star, Dodecatheon meadia; Blue-eyed Grass, Sisyrinchium albidum; Nashville Breadroot, Pediomelum subacaulis; Nashville Mustard, Leavenworthia stylosa; and Star-Grass, Hypoxis hirsuta) from the cedar glades at Flat Rock, Murfreesboro, Tennessee.