| 0 | PI 144842 | No. 39.2139 | Hoffmannseggia viscosa (Ruiz & Pav.) Hook. & Arn. | Piura, Peru | | | Historic | 1942 | COLLECTED | | | | 30 | | | | 1877629 | PI 144842 |
| 1 | W6 63082 | NM080-394 | Hoffmannseggia glauca (Ortega) Eifert | New Mexico, United States | W6 |  | Not Available | 2025 | | | | | | | Wild material | Small perennial herbs with multiple main stems reaching up to 30 cm tall. Opposite pinnate leaves occur along the stem and are folded upward when climate is hot and dry. Flowers in terminal racemes that grow above the foliage. Flowers are yellow with five petals. This species is distinguished by tiny red, stalked glands that occur along the stem and fruit; and cluster at the base of the flower petals, flower buds, and petioles of the leaves. | 2196262 | W6 63082 |
| 2 | W6 45533 | CA930A-216 | Hoffmannseggia glauca (Ortega) Eifert | California, United States | W6 |  | | 2013 | | | | | | | Wild material | | 1906736 | W6 45533 |
| 3 | DLEG 930105 | DLEG 930105 | Hoffmannseggia glauca (Ortega) Eifert | Chubut, Argentina | | | Historic | 1993 | COLLECTED | 1992 | Formicuto. | | | Saline soils. | Wild material | Received from Leopoldo Montes - INTA, Santa Cruz, Argentina. RGA# 291. | 1527633 | DLEG 930105 |
| 4 | DLEG 910250 | DLEG 910250 | Hoffmannseggia sp. | Baja California Sur, Mexico | | | Historic | 1991 | COLLECTED | 07/02/1991 | Arroyo Inferno, W of Santa Rosalia. | | | Sonoran Desertscrub. | Wild material | Received from Dave Palzkill. | 1528260 | DLEG 910250 |
| 5 | DLEG 910266 | DLEG 910266 | Hoffmannseggia microphylla Torr. | Arizona, United States | |  | Historic | 1991 | COLLECTED | 06/01/1991 | Yuma Co., Frontage Rd., S of I-8, ca. 2.6 mi. E of Foothills Blvd., Yuma. | | | Lower Colorado River Subdivision Sonoran Desertscrub. Rocky soil with sparse vegetation. | Wild material | Perennial, manny-stemmed plant to 1 m tall. | 1526607 | DLEG 910266 |
| 6 | DLEG 910267 | DLEG 910267 | Hoffmannseggia microphylla Torr. | Arizona, United States | | | Historic | 1991 | COLLECTED | 06/01/1991 | Yuma Co., Frontage Rd., S of I-8, ca. 2.7 mi. E of Foothills Blvd., Yuma. | | | Lower Colorado River Subdivision Sonoran Desertscrub. Rocky soil with sparse vegetation. | Wild material | Perennial, manny-stemmed plant to 1 m tall. | 1527296 | DLEG 910267 |
| 7 | DLEG 910268 | DLEG 910268 | Hoffmannseggia microphylla Torr. | Arizona, United States | |  | Historic | 1991 | COLLECTED | 06/01/1991 | Yuma Co., Cactus City rest area, just beyond milepost R72. | | | | Wild material | Perennial, manny-stemmed plant to 1 m tall. | 1528261 | DLEG 910268 |
| 8 | DLEG 910493 | DLEG 910493 | Hoffmannseggia microphylla Torr. | Arizona, United States | | | Historic | 1991 | COLLECTED | 09/17/1991 | Yuma Co., Telegraph Pass, "antennae road". | | | Lower Colorado River Subdivision Sonoran Desertscrub. | Wild material | Perennial, manny-stemmed plant to 1 m tall. Received from Della and Glenn Branham. | 1526440 | DLEG 910493 |
| 9 | DLEG 900301 | DLEG 900301 | Hoffmannseggia drepanocarpa A. Gray | Colorado, United States | | | Historic | 1990 | COLLECTED | 1985 | Pueblo Co. | | | | Wild material | Perennial herbs to 50 cm tall. Flowers yellow. Received from Jim Borland. | 1528007 | DLEG 900301 |
| 10 | DLEG 900518 | DLEG 900518 | Hoffmannseggia glauca (Ortega) Eifert | New Mexico, United States | | | Historic | 1990 | COLLECTED | 07/14/1990 | Frontage road along N side of I-10, 33.1 mi. E of Lordsburg. | | | Sandy soil. Growing with Isomeris tenuisecta, Prosopis glandulosa var. torreyana. | Wild material | Erect, suffrutescent perennials to 25 cm tall, with a strong taproot; flowers yellow. M. Johnson 90-173. | 1528008 | DLEG 900518 |
| 11 | DLEG 900520 | DLEG 900520 | Hoffmannseggia glauca (Ortega) Eifert | Texas, United States | | | Historic | 1990 | COLLECTED | 07/13/1990 | Presidio Co., U.S. Hwy 90, ca. 15 mi. W of Marfa and ca. 69 mi. E of Van Horn. | | | Growing along highway shoulder. | Wild material | Erect, suffrutescent perennials to 25 cm tall, with a strong taproot; flowers yellow. M. Johnson 90-160A. | 1527632 | DLEG 900520 |
| 12 | DLEG 890325 | DLEG 890325 | Hoffmannseggia glauca (Ortega) Eifert | Arizona, United States | | | Historic | 1989 | COLLECTED | 09/02/1989 | Cochise Co., Below mouth of Cave Creek Canyon, Chiricahua Mts. Elevation ca. 5200 ft. | | | | Wild material | The plant is considered a good soil binder. | 1527580 | DLEG 890325 |
| 13 | DLEG 890333 | DLEG 890333 | Hoffmannseggia microphylla Torr. | | | | Historic | 1989 | | | | | | | | Received without data from Mildred E. Mathias Botanical Garden, Los Angeles, CA. | 1526506 | DLEG 890333 |