Chaptalia carduacea TEX Specimen with Heads at 4 Stages by Bob Harms
Karnes Co.: 1 mi. SSE of Cres School, 15 Mar 1953 J. C. Johnson 53-889 (TEX)
Four pressed heads in this specimen illustrate the size and color of the ligules of the peripheral flowers relative to the phyllaries and the extent to which pappi are exerted. [Click image to enlarge.]