| Blechnum gracile Kaulf. | C. A. Purpus 2376 | Mexico. Veracruz. Zacuapan and vicinity, near creeks. | | 4167815 |  |
| Blechnum gracile Kaulf. | W. W. Rowlee 335 | Costa Rica. Uren River Talamanca Valley. | | 4167767 |  |
| Blechnum gracile Kaulf. | J. J. Copeland s.n. | Costa Rica. Rio Volcan, El General Valley, Angel River Lodge. | | 4167790 |  |
| Blechnum gracile Kaulf. | W. R. Maxon 129 | Costa Rica. Vicinity of the River Jirivi, near San Jose. | | 4167791 |  |
| Blechnum gracile Kaulf. | R. L. Hauke 301 | Costa Rica. Cartago. Turrialba, behind the Institute Interamericano de Ciencias Agricolas. Along a path from of Institute through forest to Rio Reventazón. | | 4167789 |  |
| Blechnum gracile Kaulf. | A. F. Skutch 4773 | Costa Rica. San José. Basin of El General. | | 4167794 |  |
| Blechnum gracile Kaulf. | A. M. Brenes 18878 | Costa Rica. Alajuela. Rio Grande cerca San Ramon. | | 4167796 |  |
| Blechnum gracile Kaulf. | A. F. Skutch 4678 | Costa Rica. Cartago. Rio Reventazon below Turrialba. | | 4167798 |  |
| Blechnum gracile Kaulf. | R. L. Liesner 10603 | Venezuela. Mérida. 0.5-2 km above dam site on Río Guaimaral. | | 4168319 |  |
| Blechnum gracile Kaulf. | L. J. Dorr 4922 | Venezuela. Barinas. Pedraza Mun. Trail from Alto de La Aguada via Mesa de Canagua to El Algarrobo. | | 4168307 |  |
| Blechnum gracile Kaulf. | E. Matuda 188 | Mexico. Escuintla-Chiapas. | | 4167778 |  |
| Blechnum gracile Kaulf. | A. A. Hunter 233 | Panama. Panamá. Along R. Tecumen, north of Chepo road. | | 4167792 |  |
| Blechnum appendiculatum Willd. x B. gracile Kaulf. | J. Harrison 842 | Panama. Panamá. Cerro Jefe region. Road to Altos de Pacora, ~1km from turn-off to Los Altos de Cerro Azul. Rio Indio trail, beginning behind ANAM station, left side of rd. | | 04106567 |  |
| Blechnum gracile Kaulf. | T. G. Walker T10708-10710 | Trinidad and Tobago. Trinidad. Tacarigua Ward. Maracas Falls. | | 4168320 |  |
| Blechnum gracile Kaulf. | R. V. Sherring s.n. | Trinidad and Tobago. Trinidad. Spring Hill Estate, North Range. | | 4168329 |  |
| Blechnum gracile Kaulf. | F. S. Copeland s.n. | Trinidad and Tobago. Trinidad. Guacharo Cave Trail, Spring Hill, North Range. | | 4168330 |  |
| Blechnum gracile Kaulf. | D. M. Porter 4299 | Panama. Cerro Campana. | | 4167795 |  |
| Blechnum gracile Kaulf. | R. S. Williams 470 | Panama. Bismark above Penonome. | | 4167802 |  |
| Blechnum gracile Kaulf. | W. R. Maxon 5162 | Panama. Vicinity of El Boquete, Chiriqui. | | 4167788 |  |
| Blechnum gracile Kaulf. | M. J. Escalante Ruiz 411 | Panama. Veraguas. Parque Nacional Cerro Hoya. | | 4167804 |  |