There were 6 illustrations found:
1 368733 Echinacea pallida (Nutt.) Nutt. [181 892278 Rudbeckia pallida Nutt.]
Ann. Missouri Bot. Gard., vol. 22 : t. 5 (1935) [n.a.]
5 869843 Ratibida columnifera (Nutt.) Wooton & Standl. [116 892176 Rudbeckia columnifera Nutt.]
Ann. Missouri Bot. Gard., vol. 22 : t. 5 (1935) [n.a.]
2 126004 Balsamorhiza hispidula W.M.Sharp
Ann. Missouri Bot. Gard., vol. 22 : t. 5 (1935) [n.a.]
2 556066 Iostephane heterophylla (Cav.) Benth. [80 274747 Coreopsis heterophylla Cav.]
Ann. Missouri Bot. Gard., vol. 22 : t. 5 (1935) [n.a.]
2 1080118 Zaluzania mollissima A. Gray
Ann. Missouri Bot. Gard., vol. 22 : t. 5 (1935) [n.a.]
2 479411 Greenmaniella resinosa (S. Watson) W.M.Sharp [80 1080128 Zaluzania resinosa S. Watson]
Ann. Missouri Bot. Gard., vol. 22 : t. 6 (1935) [n.a.]
1 368733 Echinacea pallida (Nutt.) Nutt. [181 892278 Rudbeckia pallida Nutt.]Ann. Missouri Bot. Gard., vol. 22 : t. 5 (1935) [n.a.]
5 869843 Ratibida columnifera (Nutt.) Wooton & Standl. [116 892176 Rudbeckia columnifera Nutt.]Ann. Missouri Bot. Gard., vol. 22 : t. 5 (1935) [n.a.]
2 126004 Balsamorhiza hispidula W.M.SharpAnn. Missouri Bot. Gard., vol. 22 : t. 5 (1935) [n.a.]
2 556066 Iostephane heterophylla (Cav.) Benth. [80 274747 Coreopsis heterophylla Cav.]Ann. Missouri Bot. Gard., vol. 22 : t. 5 (1935) [n.a.]
2 1080118 Zaluzania mollissima A. GrayAnn. Missouri Bot. Gard., vol. 22 : t. 5 (1935) [n.a.]
2 479411 Greenmaniella resinosa (S. Watson) W.M.Sharp [80 1080128 Zaluzania resinosa S. Watson]Ann. Missouri Bot. Gard., vol. 22 : t. 6 (1935) [n.a.]