Source;"Number of records"
"Gravenhorst (1829)";332
"AENG (coll. Prilop)";310
"IFUG (coll. Wissmann)";223
SDEI;121
GBIF.org;111
LIB;92
"Ulrich (2001)";80
"Kettner (1968)";53
"Hinz (1961)";52
SFNF;52
"Riedel (private coll.)";51