There was one illustrations found for J. Biegelaar
Rhacoma sp.M. Sessé, V. Cervantes, M. Mociño, Drawings from the Spanish Royal Expedition to New Spain (1787–1803) (to be published in the Flora Mexicana, Real Jardin Botanico, Madrid, Spain): t. 35][Real Jardin Botanico no. 35] ()
2 782830 Phrynium obscurum Teijsm. & Binnend.Bull. Jard. Bot. Buitenzorg, sér. 3, vol. 5 : p. 341, fig. 14-18 (1922) [J. Biegelaar]