| Taxon | Collector | Location | Type Status | Barcode | |
|---|---|---|---|---|---|
| Polystichum lemmonii Underw. | J. G. Lemmon s.n. Jul 1879 | United States of America. California. Near Mt. Shasta. | lectotype | 149449 |  |
| Polystichum lemmonii Underw. | A. A. Heller 11739 | United States of America. California. Siskiyou Co. Mt. Eddy. | 3540015 |  | |
| Polystichum lemmonii Underw. | E. Coombs 107 | United States of America. Washington. Kittitas Co. 15 meters south of Eldorado Creek at base of steep barren serpentine slope, 250 meters above DeRoux Forest Camp, North Fork Teanaway River. | 3540016 |  | |
| Polystichum lemmonii Underw. | W. Dakan s.n. | United States of America. California. Plumas Co. Near Bucks Lake. | 3540017 |  | |
| Polystichum lemmonii Underw. | J. W. Thompson 9584 | United States of America. Washington. Kittitas Co. Along Beverly Creek. | 3540018 |  | |
| Polystichum lemmonii Underw. | R. T. Clausen 611.203.4 | United States of America. Washington. Kittitas Co. In crevices of serpentine on southern side of summit of Early Peak, Wenatchee Mountains. | 3540019 |  | |
| Polystichum lemmonii Underw. | J. W. Thompson 12376 | United States of America. Oregon. Jackson Co. Rock serpentine slopes of Red Mt., Siskiyou Mts. | 3540020 |  | |
| Polystichum lemmonii Underw. | A. R. Kruckeberg 2947 | United States of America. Washington. Kittitas Co. Paddy-Go-Easy Pass, Wenatchee Nat. For. | 3540021 |  | |
| Polystichum lemmonii Underw. | J. W. Thompson 10036 | United States of America. Washington. Kittitas Co. Underside of boulders, near timberline, along Berverly Creek. | 3540022 |  | |
| Polystichum lemmonii Underw. | J. G. Lemmon s.n. | United States of America. California. Mt. Eddy (W. of Mt. Shasta). | 3540023 |  | |
| Polystichum lemmonii Underw. | A. R. Kruckeberg 2600 | United States of America. Washington. Kittitas Co. Ca 1 mile (SW) below Teanaway Turnpike on ridge. Wenatchee Mts. | 3540024 |  | |
| Polystichum lemmonii Underw. | J. G. Lemmon 20 | United States of America. California. Shasta. | 3540025 |  | |
| Polystichum lemmonii Underw. | J. W. Thompson 9584 | United States of America. Washington. Kittitas Co. Along Beverly Creek. | 3540026 |  | |
| Polystichum lemmonii Underw. | E. B. Copeland 3814 | United States of America. California. Siskiyou Co. Mt. Eddy. | 3540027 |  | |
| Polystichum lemmonii Underw. | J. G. Lemmon s.n. | United States of America. California. 30 miles west of Mt. Shasta. | 3540028 |  | |
| Polystichum lemmonii Underw. | J. G. Lemmon s.n. | United States of America. California. Scott Mt, Oakland. | 3540029 |  | |
| Polystichum lemmonii Underw. | E. C. Bolton s.n. | United States of America. California. Santa Clara Co. San Jose. | 3540030 |  | |
| Polystichum lemmonii Underw. | J. W. Thompson 10753 | United States of America. Washington. Chelan Co. Rocky slopes at base of Three Brothers. | 3540031 |  | |
| Polystichum lemmonii Underw. | J. H. Sandberg 812 | United States of America. Washington. Mt. Stuart. | 3540032 |  | |
| Polystichum lemmonii Underw. | C. G. Pringle s.n. | United States of America. California. Mountains about the head waters of the Sacramento River. | 3540033 |  | |
| Polystichum lemmonii Underw. | C. G. Pringle s.n. | United States of America. California. Mountains about the head waters of the Sacramento River. | 3540034 |  | |
| Polystichum lemmonii Underw. | H. K. Sharsmith 4830 | United States of America. California. Trinity Co. Slope ca. 200 feet above and to the South of Mosquito Lake. Salmon-Trinity Alps Wilderness Area, Shasta National Forest. | 3540035 |  | |
| Polystichum lemmonii Underw. | A. R. Kruckeberg 3765 | United States of America. California. Trinity Co. Just below outlet of Deer Lake. Salmon-Trinity Primitive Area. Trinity Alps. | 3540036 |  | |
| Polystichum lemmonii Underw. | H. E. Brown 361 | United States of America. California. Siskiyou Co. Near Mt. Shasta. | 3540037 |  | |
| Polystichum lemmonii Underw. x P. scopulinum (D.C. Eaton) Maxon | J. W. Thompson 7686 | United States of America. Washington. Chelan Co. In the Mt. Stuart region. | 3540518 |  | |
| Polystichum lemmonii Underw. x P. scopulinum (D.C. Eaton) Maxon | J. W. Thompson 10496 | United States of America. Washington. Kittitas Co. Rock slides along Boulder Creek. | 3540519 |  | |
| Polystichum lemmonii Underw. | L. Ahart 7531 | United States of America. California. Plumas Co. Northeast of Frenchman Hill, southwest of Bucks Lake. | 04211598 |  | |
| Polystichum lemmonii Underw. | J. G. Lemmon s.n. | United States of America. California. Plumas Co. Butterfly Valley. | 3540013 |  | |
| Polystichum lemmonii Underw. | W. L. C. Muenscher 7559 | United States of America. Washington. Whatcom Co. Near summit of Yellow Aster Butte. | 3540011 |  | |
| Polystichum lemmonii Underw. | W. L. C. Muenscher 10316 | United States of America. Washington. Whatcom Co. Headwaters of south fork of Nooksack River, Twin Sister Range. Mount Baker National Forest. | 3540014 |  | |
| Polystichum lemmonii Underw. | J. G. Lemmon s.n. | United States of America. Scott Mt. | 3540012 |  |