| 0 | PI 634937 | Spirit | Anthoxanthum nitens (Weber) Y. Schouten & Veldkamp | Montana, United States | W6 | | | 2004 | DEVELOPED | PRE 04/2004 | | | | | Cultivated material | Spirit sweetgrass spreads from creeping rhizomes that begin with leaf initiation in late winter or early spring, followed by seedhead emergence within 2-3 weeks. At the Bridger PMC it is common for this plant to be completely headed out by mid-April, flowering in early May, and seed maturity by mid-June. Despite the development of inflorescence and anthesis, the infertile nature of the florets results in poor seed set and low viability (25% to 50% germination). Coupled with a need to provide the seed a period of cold stratification and a slow rate of germination, the most successful method of producing sweetgrass is from vegetative propagules. Sweetgrass plants are semi-erect, with hollow culms 25 to 60 cm tall. The leaf sheaths are open, with ligules 3 to 5 mm long and membranous. The smooth, flat blades are mostly 2 to 5 mm wide, oftentimes reddish at the base, glaucous above, and scabrous below. The herbage is fragrant and vanilla-scented due to the presence of coumarin (a known anti-coagulant). The inflorescence is a pyramidal, compacted to loose, 2 to 12 cm long panicle with bisexual florets. Small spikelets are 3 to 5 mm long, broad, shiny bronze to brownish in color and three-flowered, with only one floret perfect and seed-bearing. Glumes are more or less equal in length, boat-shaped, thin and papery, and acute. Sterile floret lemmas are awnless or nearly so, indurate and hairy, and nearly the same length as the glumes. The sterile floret palea is hyaline, two-nerved, and rounded on the back. The fertile floret lemma is somewhat hardened and hairy at the apex, and the fertile floret palea is three-nerved. The fruit is a very small, dark brown, caryopsis with 2.5 million seeds per kilogram. Thrips are known to frequent sweetgrass plants and seedheads, but do not impose a serious threat at any time. Powdery mildew may become temporarily present at times of elevated humidity, but usually does not have a long-term negative impact on the plants. There may be periodic occurrence of Puccinea rust, Tilletiaceae and Ustilaginaceae smuts, and Septoria fungal leaf spot. Sweetgrass is a culturally significant plant that is primarily utilized by Native Americans for protective properties and spiritual purification. The long leaves are harvested, woven into braids, dried, and burned as a smudge so that evil will not come about. | 1657131 | PI 634937 |
| 1 | W6 50972 | AK930-442 | Anthoxanthum nitens (Weber) Y. Schouten & Veldkamp | Alaska, United States | W6 |  | | 2016 | | | | | | | Wild material | | 1932623 | W6 50972 |
| 2 | W6 27791 | 9070255 | Anthoxanthum nitens (Weber) Y. Schouten & Veldkamp | Michigan, United States | W6 | | | 2006 | DONATED | 02/08/2006 | | | | | Cultivated material | | 1702292 | W6 27791 |
| 3 | PI 659939 | KGZ-06-31-159 | Dactylis glomerata L. | Naryn, Kyrgyzstan | W6 | | | 2007 | COLLECTED | 08/16/2006 | At-Bashy Region. N slope of At-Bashy Range, foot hills before plain, 47 km ENE of At-Bashy, 33 km SE of Naryn, 19 km E Ak-Muz, 7 km W of Bosogo | 41.23750000, 76.35972222 | 2607 | Dry bluffs and boggy slopes at base of bluffs, native steppe at lower tree line, 50% slope, clay loam | Wild material | | 1721641 | PI 659939 |
| 4 | PI 662353 | KGZ-06-31-158 | Phleum phleoides (L.) H. Karst. | Naryn, Kyrgyzstan | W6 | | | 2007 | COLLECTED | 08/16/2006 | At-Bashy Region. N slope of At-Bashy Range, foot hills before plain, 47 km ENE of At-Bashy, 33 km SE of Naryn, 19 km E Ak-Muz, 7 km W of Bosogo | 41.23750000, 76.35972222 | 2607 | Dry bluffs and boggy slopes at base of bluffs, native steppe at lower tree line, 50% slope, clay loam | Wild material | | 1721640 | PI 662353 |
| 5 | PI 670354 | KGZ-06-31-157 | Agrostis gigantea Roth | Naryn, Kyrgyzstan | W6 | | | 2007 | COLLECTED | 08/16/2006 | At-Bashy Region. N slope of At-Bashy Range, foot hills before plain, 47 km ENE of At-Bashy, 33 km SE of Naryn, 19 km E Ak-Muz, 7 km W of Bosogo | 41.23750000, 76.35972222 | 2607 | Dry bluffs and boggy slopes at base of bluffs, native steppe at lower tree line, 3% slope, clay loam | Wild material | | 1721639 | PI 670354 |
| 6 | PI 685574 | KGZ-06-31-156 | Poa pratensis L. | Naryn, Kyrgyzstan | W6 | | | 2007 | COLLECTED | 08/16/2006 | At-Bashy Region. N slope of At-Bashy Range, foot hills before plain, 47 km ENE of At-Bashy, 33 km SE of Naryn, 19 km E Ak-Muz, 7 km W of Bosogo | 41.23750000, 76.35972222 | 2607 | Dry bluffs and boggy slopes at base of bluffs, native steppe at lower tree line, 3% slope, clay loam | Wild material | | 1721638 | PI 685574 |