| 0 | PI 320405 | Col. No. K-89 | Polystichum tripteron (Kunze) C. Presl | Gangwon-do, Korea, South | | | Historic | 1967 | COLLECTED | | Along trail (usually in moist rocky soil) in shade on Mt. Odai | | | | | | 1712578 | PI 320405 |
| 1 | PI 320406 | Col. No. K-230 | Polystichum tripteron (Kunze) C. Presl | Chungcheongbuk-do, Korea, South | | | Historic | 1967 | COLLECTED | | Shady moist revine, on mossy rocks, Mt. Sokni | | | | | | 1712579 | PI 320406 |
| 2 | PI 285512 | Col. No. 1238 | Polystichum squarrosum (D. Don) Fée | Nepal | | | Historic | 1962 | COLLECTED | | Moist forest above Mardi Khola | | 1806 | | | | 1688972 | PI 285512 |
| 3 | PI 279902 | 'Actilobum' | Polystichum setiferum (Forssk.) Woyn. | England, United Kingdom | | | Historic | 1962 | COLLECTED | | | | | | | | 1684995 | PI 279902 |
| 4 | NA 85060 | NA 85060 | Polystichum polyblepharum (Roem. ex Kunze) C. Presl | | NA | | Not Available | 2023 | | | | | | | Cultivated material | Full name as recorded at U.S. National Arboretum: Polystichum polyblepharum. Two plants thought to have been planted by someone connected with the DePrete bench in the Azalea Collections; it has been there for a number of years as of 2018, and is being kept as an attractive plant in the location in spite of its undocumented origins and unauthorized planting. ID should be verified; probably Polystichum polyblepharum. -SBL | 2153998 | NA 85060 |
| 5 | NA 73480 | NA 73480 | Polystichum acrostichoides (Michx.) Schott | | NA | | Not Available | 2023 | | | | | | | Uncertain improvement status | Full name as recorded at U.S. National Arboretum: Polystichum acrostichoides. Old USNA plant(s). Established by 1983. Form received: unknown propagule type. | 2149684 | NA 73480 |
| 6 | NA 71763 | NA 71763 | Polystichum acrostichoides (Michx.) Schott | | NA | | Not Available | 2023 | | | | | | | Uncertain improvement status | Full name as recorded at U.S. National Arboretum: Polystichum acrostichoides. | 2149124 | NA 71763 |
| 7 | NA 71649 | NA 71649 | Polystichum acrostichoides (Michx.) Schott | | NA | | Not Available | 2023 | | | | | | | Uncertain improvement status | Full name as recorded at U.S. National Arboretum: Polystichum acrostichoides. Old plants found growing in Fern Valley. | 2149055 | NA 71649 |
| 8 | NA 71647 | NA 71647 | Polystichum acrostichoides (Michx.) Schott | | NA | | Not Available | 2023 | | | | | | | Uncertain improvement status | Full name as recorded at U.S. National Arboretum: Polystichum acrostichoides. Old plants found growing in Fern Valley. | 2149054 | NA 71647 |
| 9 | NA 71646 | NA 71646 | Polystichum acrostichoides (Michx.) Schott | | NA | | Not Available | 2023 | | | | | | | Uncertain improvement status | Full name as recorded at U.S. National Arboretum: Polystichum acrostichoides. Old plants found growing in Fern Valley. | 2149053 | NA 71646 |
| 10 | NA 71645 | NA 71645 | Polystichum acrostichoides (Michx.) Schott | | NA | | Not Available | 2023 | | | | | | | Uncertain improvement status | Full name as recorded at U.S. National Arboretum: Polystichum acrostichoides. Old plants found growing in Fern Valley. | 2149052 | NA 71645 |
| 11 | NA 71644 | NA 71644 | Polystichum acrostichoides (Michx.) Schott | | NA | | Not Available | 2023 | | | | | | | Uncertain improvement status | Full name as recorded at U.S. National Arboretum: Polystichum acrostichoides. Old plants found growing in Fern Valley. | 2149051 | NA 71644 |
| 12 | NA 71643 | NA 71643 | Polystichum acrostichoides (Michx.) Schott | | NA | | Not Available | 2023 | | | | | | | Uncertain improvement status | Full name as recorded at U.S. National Arboretum: Polystichum acrostichoides. Old plants found growing in Fern Valley. | 2149050 | NA 71643 |
| 13 | NA 71634 | NA 71634 | Polystichum acrostichoides (Michx.) Schott | | NA | | Not Available | 2023 | | | | | | | Uncertain improvement status | Full name as recorded at U.S. National Arboretum: Polystichum acrostichoides. Old plants found growing in Fern Valley | 2149041 | NA 71634 |
| 14 | NA 85723 | NA 85723 | Polystichum polyblepharum (Roem. ex Kunze) C. Presl | | NA | | Not Available | 2019 | | | | | | | Cultivated material | Full name as recorded at U.S. National Arboretum: Polystichum polyblepharum. | 2154351 | NA 85723 |
| 15 | NA 82122 | NA 82122 | Polystichum acrostichoides (Michx.) Schott | Ohio, United States | NA | | Not Available | 2014 | COLLECTED | 06/03/2014 | Arc of Appalachia Preserve System: Highlands Nature Sanctuary, Barrett's Rim Trail, Rocky Fork Creek valley. | | | Rich deciduous forest on north-facing slope of creek valley. | | | 1951210 | NA 82122 |
| 16 | NA 82228 | NA 82228 | Polystichum acrostichoides (Michx.) Schott | | NA | | Not Available | 2014 | | | | | | | Cultivated material | Full name as recorded at U.S. National Arboretum: Polystichum acrostichoides. | 2152860 | NA 82228 |
| 17 | NA 81479 | NA 81479 | Polystichum acrostichoides (Michx.) Schott | Maryland, United States | NA | | Not Available | 2013 | COLLECTED | 07/26/2013 | Cedarville State Forest. | | | Deciduous forest. | | | 1952353 | NA 81479 |
| 18 | NA 81536 | NA 81536 | Polystichum acrostichoides (Michx.) Schott | | NA | | Not Available | 2013 | | | | | | | Cultivated material | Full name as recorded at U.S. National Arboretum: Polystichum acrostichoides. | 2152588 | NA 81536 |
| 19 | NA 79876 | NA 79876 | Polystichum makinoi (Tagawa) Tagawa | | NA | | Not Available | 2011 | | | | | | | Cultivated material | Full name as recorded at U.S. National Arboretum: Polystichum makinoi. | 2151960 | NA 79876 |
| 20 | NA 78453 | NA 78453 | Polystichum braunii (Spenn.) Fée | Azerbaijan | NA | | Not Available | 2008 | COLLECTED | 09/19/2008 | Qara Bulag (means "black spring") | 41.59013000, 46.66026000 | 415 | | | | 1950674 | NA 78453 |
| 21 | NA 78454 | NA 78454 | Polystichum braunii (Spenn.) Fée | Azerbaijan | NA | | Not Available | 2008 | COLLECTED | 09/19/2008 | Qara Bulag (means "black spring") | | | Beech-carpinus forest understory about 200' up on foothills | | | 1953067 | NA 78454 |
| 22 | NA 75619 | NA 75619 | Polystichum acrostichoides (Michx.) Schott | | NA | | Not Available | 2006 | | | | | | | Cultivated material | Full name as recorded at U.S. National Arboretum: Polystichum acrostichoides. | 2150452 | NA 75619 |
| 23 | NA 75039 | NA 75039 | Polystichum retrorsopaleaceum (Kodama) Tagawa | | NA | | Not Available | 2005 | | | | | | | Cultivated material | Full name as recorded at U.S. National Arboretum: Polystichum retrosopaleaceum. | 2156854 | NA 75039 |
| 24 | NA 73637 | NA 73637 | Polystichum polyblepharum (Roem. ex Kunze) C. Presl | | NA | | Not Available | 2004 | | | | | | | Cultivated material | Full name as recorded at U.S. National Arboretum: Polystichum polyblepharum. | 2149757 | NA 73637 |
| 25 | NA 69958 | TS 99-020 | Polystichum acanthophyllum (Franch.) Christ | Sichuan Sheng, China | | | Historic | 1999 | COLLECTED | 10/10/1999 | Dan Ba District/Mao Niv Forest District in the Kuang Yong Gov Valley. | 30.57500000, 101.75083333 | 2920 | Moist woodland at a 50 degree slope. Rocky, well-drained soil. | Wild material | Height of 1.5' | 1594008 | NA 69958 |
| 26 | NA 69855 | NA 69855 | Polystichum acrostichoides (Michx.) Schott | | NA | | Not Available | 1999 | | | | | | | Cultivated material | Full name as recorded at U.S. National Arboretum: Polystichum acrostichoides. | 2148506 | NA 69855 |
| 27 | NA 68891 | NACPEC97132 | Polystichum tripteron (Kunze) C. Presl | Jilin Sheng, China | | | Historic | 1997 | COLLECTED | 10/01/1997 | Antu County | 42.39972222, 128.49361111 | 812 | Understory of mixed deciduous forest | | 30 cm; perennial; doubly compound leaves | 1579144 | NA 68891 |
| 28 | NA 68298 | NA 68298 | Polystichum acrostichoides (Michx.) Schott | | NA | | Not Available | 1996 | | | | | | | | | 1950297 | NA 68298 |
| 29 | NA 63584 | NA 63584 | Polystichum acrostichoides (Michx.) Schott | | NA | | Not Available | 1992 | | | | | | | Cultivated material | Full name as recorded at U.S. National Arboretum: Polystichum acrostichoides. | 2147146 | NA 63584 |
| 30 | NA 63573 | NA 63573 | Polystichum setiferum (Forssk.) Woyn. | | NA | | Not Available | 1992 | | | | | | | Cultivated material | Full name as recorded at U.S. National Arboretum: Polystichum setiferum. | 2147143 | NA 63573 |
| 31 | NA 63409 | NA 63409 | Polystichum braunii (Spenn.) Fée | | NA | | Not Available | 1992 | | | | | | | Cultivated material | Full name as recorded at U.S. National Arboretum: Polystichum braunii. | 2147117 | NA 63409 |
| 32 | NA 62830 | NA 62830 | Polystichum acrostichoides (Michx.) Schott | | NA | | Not Available | 1991 | | | | | | | Cultivated material | Full name as recorded at U.S. National Arboretum: Polystichum acrostichoides. | 2147032 | NA 62830 |
| 33 | NA 60962 | NA 60962 | Polystichum acrostichoides (Michx.) Schott | | NA | | Not Available | 1989 | | | | | | | Uncertain improvement status | Full name as recorded at U.S. National Arboretum: Polystichum acrostichoides. | 2146738 | NA 60962 |
| 34 | NA 53707 | NA 53707 | Polystichum acrostichoides (Michx.) Schott | | NA | | Not Available | 1984 | | | | | | | | | 1951122 | NA 53707 |
| 35 | NA 44943 | NA 44943 | Polystichum tripteron (Kunze) C. Presl | Honshu, Japan | NA | | Not Available | 1978 | COLLECTED | 10/17/1978 | Saruyama. | | 213 | Shady path. | Wild material | | 1953006 | NA 44943 |
| 36 | NA 45020 | NA 45020 | Polystichum retrorsopaleaceum (Kodama) Tagawa | | NA | | Not Available | 1978 | | | | | | | Wild material | Full name as recorded at U.S. National Arboretum: Polystichum retrosopaleaceum. | 2155731 | NA 45020 |
| 37 | NA 39916 | NA 39916 | Polystichum acrostichoides (Michx.) Schott | | NA | | Not Available | 1976 | | | | | | | | | 1951185 | NA 39916 |
| 38 | NA 38108 | NA 38108 | Polystichum acrostichoides (Michx.) Schott | | NA | | Not Available | 1975 | | | | | | | | | 1953159 | NA 38108 |
| 39 | NA 13642 | NA 13642 | Polystichum acrostichoides (Michx.) Schott | | NA | | Not Available | 1959 | | | | | | | Uncertain improvement status | Full name as recorded at U.S. National Arboretum: Polystichum acrostichoides. | 2143522 | NA 13642 |
| 40 | NA 13257 | NA 13257 | Polystichum acrostichoides (Michx.) Schott | | NA | | Not Available | 1959 | | | | | | | Uncertain improvement status | Full name as recorded at U.S. National Arboretum: Polystichum acrostichoides. | 2143515 | NA 13257 |