| 0 | PI 442046 | | Acorus sp. | Maryland, United States | | | Historic | 1980 | DONATED | 02/1980 | | | | | | Received as Acorus graminifolia variegata. | 1336982 | PI 442046 |
| 1 | PI 23003 | Chang pu | Acorus gramineus Sol. ex Aiton | Jiangsu Sheng, China | | | Historic | 1908 | COLLECTED | 04/26/1908 | | | | | | | 1585055 | PI 23003 |
| 2 | NA 85186 | 'Argenteostriatus' | Acorus calamus L. | | NA | | Not Available | 2023 | | | | | | | Cultivar | Full name as recorded at U.S. National Arboretum: Acorus calamus 'Argenteostriatus'. This is fairly certain to be from Maryland Aquatic Nurseries; receipt date unknown [possibly in 2008 along with NA 84427? -SBL]. Originally obtained for the Admin pool, but accessioned in order to document existing plants in the Gotelli Conifer Collection. | 2154087 | NA 85186 |
| 3 | NA 76013 | (variegated selection) | Acorus gramineus Sol. ex Aiton | | NA | | Not Available | 2023 | | | | | | | Clone | Full name as recorded at U.S. National Arboretum: Acorus gramineus (variegated selection). | 2150570 | NA 76013 |
| 4 | NA 87307 | NA 87307 | Acorus americanus (Raf.) Raf. | | NA | | Not Available | 2022 | | | | | | | Cultivated material | Full name as recorded at U.S. National Arboretum: Acorus americanus. | 2155309 | NA 87307 |
| 5 | NA 86017 | 'Minimus Aureus' | Acorus gramineus Sol. ex Aiton | | NA | | Not Available | 2019 | | | | | | | Cultivar | Full name as recorded at U.S. National Arboretum: Acorus gramineus 'Minimus Aureus'. | 2154578 | NA 86017 |
| 6 | W6 1430 grin | | Acorus calamus L. | | | | Historic | 2014 | | | | | | | | An accession only used for order items that do not have accessions linked to them. | 1916389 | W6 1430 grin |
| 7 | NA 76105 | 'Variegatus' | Acorus gramineus Sol. ex Aiton | | NA | | Not Available | 2006 | | | | | | | Cultivar | Full name as recorded at U.S. National Arboretum: Acorus gramineus 'Variegatus'. | 2150591 | NA 76105 |
| 8 | Ames 25305 | 98HT-245 | Acorus calamus L. | Mongolia | NC7 |  | Not Available | 1999 | COLLECTED | 09/08/1998 | Daduul Sum, Henti Aimag. | 49.15666667, 111.42138889 | 1036 | Stream terrace along a small tributary stream, east of a larger river. Soils are sandy. 7% slope with a western aspect. | Wild material | | 1578725 | Ames 25305 |
| 9 | NA 64937 | WD170 | Acorus gramineus Sol. ex Aiton | Hubei Sheng, China | NA | | Not Available | 1994 | COLLECTED | 09/29/1994 | South of Bai Yang Ping | 32.36666000, 111.16666000 | | Cut over slope along stream w/ Rhus chinensis, Vitex negundo, Cotinus coggygria growing as a dense groundcover among stream-edge rocks. | | | 1950483 | NA 64937 |
| 10 | NA 63390 | 'Oborozuki' | Acorus gramineus Sol. ex Aiton | | NA | | Not Available | 1992 | | | | | | | Cultivar | Full name as recorded at U.S. National Arboretum: Acorus gramineus 'Oborozuki'. | 2147112 | NA 63390 |
| 11 | NA 63388 | 'Minimus Aureus' | Acorus gramineus Sol. ex Aiton | | NA | | Not Available | 1992 | | | | | | | Cultivar | Full name as recorded at U.S. National Arboretum: Acorus gramineus 'Minimus Aureus'. | 2147111 | NA 63388 |
| 12 | NA 63392 | 'Yodo-no-yuki' | Acorus gramineus Sol. ex Aiton | | NA | | Not Available | 1992 | | | | | | | Cultivar | Full name as recorded at U.S. National Arboretum: Acorus gramineus 'Yodo-no-yuki'. | 2147113 | NA 63392 |
| 13 | NA 39417 | 'Variegatus' | Acorus gramineus Sol. ex Aiton | | NA | | Not Available | 1976 | | | | | | | Cultivar | Full name as recorded at U.S. National Arboretum: Acorus gramineus 'Variegatus'. Accession should be checked for ID correctness. No explanation found in record for change from 'Ogon' to 'Variegatus'. -SBL [This accession of 'Variegatus' is yellow and green, unlike accession # 40859 which is green and white.] | 2144715 | NA 39417 |
| 14 | NA 40857 | NA 40857 | Acorus gramineus Sol. ex Aiton | | NA | | Not Available | 1976 | | | | | | | Cultivated material | Full name as recorded at U.S. National Arboretum: Acorus gramineus. | 2144829 | NA 40857 |
| 15 | NA 40858 | 'Nana' | Acorus gramineus Sol. ex Aiton | | NA | | Not Available | 1976 | | | | | | | Cultivar | Full name as recorded at U.S. National Arboretum: Acorus gramineus 'Nana'. | 2144830 | NA 40858 |
| 16 | NA 40859 | 'Variegatus' | Acorus gramineus Sol. ex Aiton | | NA | | Not Available | 1976 | | | | | | | Cultivar | Full name as recorded at U.S. National Arboretum: Acorus gramineus 'Variegatus'. This accession of 'Variegatus' is green and white, unlike accession NA 39417, which is yellow and green. -SBL | 2144831 | NA 40859 |