IK. Date of birth and first name from M. Kovanda in letter of 9 February 1998; Memoriam in: Botanická zahrada Praha, https://www.botanicka.cz/clanky/akce/zemrel-jiri-r-haager-otec-ceske-tropicke-botaniky (via Boris Heuer)
Example of Name Published
Chlorospatha madisonii J.R. Haager & J. Jenik in Preslia, 56(2): 166 (1984).