There were 5 illustrations found for C.K. Allen
Bignonia sp.N.J. von Jacquin, Fragm. Bot.: t. 63 (1809)
Bignonia sp.N.J. von Jacquin, Fragm. Bot.: t. 43 (1809)
Bignonia sp.N.J. von Jacquin, Fragm. Bot.: t. 43, fig. 4 (1809)
2 945335 Sidalcea malviflora (DC.) A. Gray ex Benth. [80 944825 Sida malviflora Sessé & Moc. ex DC.]Ann. Missouri Bot. Gard., vol. 18 : t. 5 (1931) [C.K. Allen]
2 945316 Sidalcea diploscypha (Torrey & A. Gray) A. Gray ex Benth. [80 944537 Sida diploscypha Torrey & A. Gray]Ann. Missouri Bot. Gard., vol. 18 : t. 5 (1931) [C.K. Allen]
2 945306 Sidalcea candida A. GrayAnn. Missouri Bot. Gard., vol. 18 : t. 5 (1931) [C.K. Allen]
2 945325 Sidalcea hickmani GreeneAnn. Missouri Bot. Gard., vol. 18 : t. 5 (1931) [C.K. Allen]
6 1158381 Hesperalcea malachroides (Hook. & Arn.) Greene [125 637794 Malva malachroides Hook. & Arn.]Ann. Missouri Bot. Gard., vol. 18 : t. 5 (1931) [C.K. Allen]