| Canada | | | Godfrey, R. K. & J. W. Wooten | 1981 | (none) | Aquatic Wetland Pl. S.E. U.S. Dicot. | 933 pp |
| Canada | Nova Scotia | | Godfrey, R. K. & J. W. Wooten | 1981 | (none) | Aquatic Wetland Pl. S.E. U.S. Dicot. | 933 pp |
| Canada | Quebec | | Godfrey, R. K. & J. W. Wooten | 1981 | (none) | Aquatic Wetland Pl. S.E. U.S. Dicot. | 933 pp |
| Ecuador | | | Jørgensen, P. M. & C. Ulloa Ulloa | 1994 | Seed plants of the high Andes of Ecuador—A checklist | AAU Rep. | 34: 1–443 |
| Ecuador | Azuay | | Jørgensen, P. M. & S. León-Yánez | 1999 | (none) | Cat. Vasc. Pl. Ecuador, Monogr. Syst. Bot. Miss. Bot. Gard. | 75: i–viii, 1–1181 |
| Ecuador | Cotopaxi | | Jørgensen, P. M. & C. Ulloa Ulloa | 1994 | Seed plants of the high Andes of Ecuador—A checklist | AAU Rep. | 34: 1–443 |
| Ecuador | Cotopaxi | | Jørgensen, P. M. & S. León-Yánez | 1999 | (none) | Cat. Vasc. Pl. Ecuador, Monogr. Syst. Bot. Miss. Bot. Gard. | 75: i–viii, 1–1181 |
| South Africa | | | Gibbs Russell, G. E., W. G. M. Welman, E. Retief, K. L. Immelman, G. Germishuizen, B. J. Pienaar, M. Van Wyk & A. Nicholas | 1987 | List of species of southern African plants | Mem. Bot. Surv. S. Africa | 2(1–2): 1–152(pt. 1), 1–270(pt. 2) |
| United States | | | Radford, A. E., H. E. Ahles & C. R. Bell | 1968 | (none) | Man. Vasc. Fl. Carolinas | i–lxi, 1–1183 |
| United States | | | Godfrey, R. K. & J. W. Wooten | 1981 | (none) | Aquatic Wetland Pl. S.E. U.S. Dicot. | 933 pp |
| United States | | | Cronquist, A.J., A. H. Holmgren, N. H. Holmgren, J.L. Reveal & P. K. Holmgren | 1984 | Vascular Plants of the Intermountain West, U.S.A. | Intermount. Fl. | 4: 1–573 |
| United States | Alabama | | Godfrey, R. K. & J. W. Wooten | 1981 | (none) | Aquatic Wetland Pl. S.E. U.S. Dicot. | 933 pp |
| United States | North Carolina | | Radford, A. E., H. E. Ahles & C. R. Bell | 1968 | (none) | Man. Vasc. Fl. Carolinas | i–lxi, 1–1183 |
| United States | North Carolina | | Godfrey, R. K. & J. W. Wooten | 1981 | (none) | Aquatic Wetland Pl. S.E. U.S. Dicot. | 933 pp |
| United States | Virginia | | Radford, A. E., H. E. Ahles & C. R. Bell | 1968 | (none) | Man. Vasc. Fl. Carolinas | i–lxi, 1–1183 |