| Title | Natürlichen Pflanzenfamilien...ed. 2 |
| Abbreviation | Nat. Pflanzenfam., ed. 2 [Engler & Prantl] |
| Authors | H. G. A. Engler: K. A. E. Prantl |
| Publication Dates | 1924- |
| TL2 | 1.711 |
| Remarks | see TL-2 for details |
The Harvard University Herbaria hold 23 type specimens of taxa described in this publication
Eremodraba hinkleyana O. E. Schulz [Isotype] 1936, 17b: 617Weinmannia borneensis Engler [Type] 1930, 18a: 256
Weinmannia borneensis Engler [Isotype] 1930, 18a: 256
Weinmannia cuneatifolia Engler [Isotype] 1930, 18a: 252
Dioscorea sprucei Uline [Isotype] 1897, 2(5): 84
Schuurmansia schlechteri Gilg [Type] 1925, 21: 80
Rhaphidostichum luzonense (Brotherus) Brotherus [Type] 1925, 11: 434
Eurya flava Merrill ex Melchior [Isotype] 1925, 21: 148
Hydrangea bangii Engler [Type] 1930, 18a: 207
Hydrangea bangii Engler [Isotype] 1930, 18a: 207
Hydrangea schindleri Engler [Type] 1930, 18a: 203
Hydrangea schindleri Engler [Type] 1930, 18a: 203
Elmeriobryum philippinense Brotherus [Type] 1925, 11: 204
Elmeriobryum philippinense Brotherus [Type] 1925, 11: 204
Elmeriobryum philippinense Brotherus [Type] 1925, 11: 204
Elmeriobryum brotheri R. S. Williams ex Brotherus [Type] 1925, 11: 204
Elmeriobryum assimile Brotherus [Isotype] 1925, 11: 204
Elmeriobryum assimile Brotherus [Isotype] 1925, 11: 204
Norantea droseriformis Rusby ex Gilg [Type] 1925, 21: 101
Norantea droseriformis Rusby ex Gilg [Type] 1925, 21: 101
Russelia coccinea Wettstein [Neotype] 1891, iv. 3b
Casimiroa watsonii Engler [Isotype] 1896, 3, Abt. 4: 178
Casimiroa watsonii Engler [Isotype] 1896, 3, Abt. 4: 178