Crocus sieberi, Phyteuma sieberi, Luzula sieberi, Eucalyptus sieberi, Cheilanthes sieberi, Callistemon sieberi, Badula sieberi, and Hosta sieberiana, though these names may also have honored Friedrich Wilhelm Sieber.
Franz Liszt | Franz Schubert | Franz Kafka | Franz Joseph I of Austria | Franz Ferdinand | Franz Boas | Franz Ferdinand (band) | Archduke Franz Ferdinand of Austria | Franz Lehár | Franz Josef Land | Franz Werfel | Franz von Papen | Franz Kline | Franz Beckenbauer | Franz Marc | Franz Kneisel | Franz Joseph | Franz Welser-Möst | Franz Rosenzweig | Franz Kugler | Franz Xaver Winterhalter | Franz Sigel | Franz Josef Strauss | Philipp Franz von Siebold | Franz Wilhelm Junghuhn | Franz Schreker | Franz Xaver Kroetz | Franz Xaver Gruber | Franz Waxman | Franz-Paul Decker |
The plant genus "Kohautia" from the family Rubiaceae is named in his honor, as well as the species "Tetrapteris kohauti" Sieber ex Presl (Malpighiaceae) and "Cestrum kohauti" Bercht. & J.Presl (Solanaceae).