| ID volume | volume | (sub)title | tables | year(s) | illustrations | link contributor | info |
| vol. 1 | 1907-1912 | gescand 5-3-2023 | |||||
| vol. 2 | 1908 | ||||||
| vol. 3 | 1922 | [440] | Missouri Botanical Garden, St. Louis, U.S.A. | ||||
| vol. 4 | 1912 | ||||||
| vol. 5 | 1910 | ||||||
| vol. 6 | 1908 | ||||||
| vol. 7(1) | 1912-1923 | University of Illinois Urbana-Champaign, U.S.A. | |||||
| vol. 7(1) | 1912-1923 | New York Botanical Garden, U.S.A. |