There were 5 illustrations found for H. Rypkema
2 215052 Cecropia granvilleana C.C.BergBull. Mus. Natl. Hist. Nat., B, Adansonia, vol. 7 : p. 256, t. 1 (1985) [H. Rypkema]
2 790793 Pilea tabularis C.C.BergBull. Mus. Natl. Hist. Nat., B, Adansonia, vol. 7 : p. 430, t. 1 (1985) [H. Rypkema]
2 636944 Malmea dimera ChatrouNovon, vol. 7 : p. 347, fig. 1 (1997) [H. Rypkema]
2 907180 Sarcopera tepuiensis (de Roon) Bedell [80 702794 Norantea tepuiensis de Roon]Novon, vol. 9 : p. 250 (1999) [H. Rypkema]
642895 Marcgravia stonei UtleyW. Curtis, Bot. Mag., ser. 2, vol. 28(): : p. 59 (2011) [H. Rypkema]