| Coenogonium [1] | |
| C.G.D. Nees von Esenbeck, Horae Phys. Berol.: t. 27 (1820) [C.G. Ehrenberg] [46] | |
| drawing: C.G. Ehrenberg [29] | |
| Illustration contributed by: | Missouri Botanical Garden, St. Louis, U.S.A. |
C.G.D. Nees von Esenbeck, Horae Phys. Berol.: t. 27 (1820) [C.G. Ehrenberg]