| 0 | PI 144657 | | Havardia pallens (Benth.) Britton & Rose | Texas, United States | | | Historic | 1942 | COLLECTED | | | | | | | | 1874300 | PI 144657 |
| 1 | PI 75261 | No. 24217 | Havardia pallens (Benth.) Britton & Rose | Coahuila de Zaragoza, Mexico | | | Historic | 1927 | COLLECTED | 10/25/1927 | Near Matamoros | | | | | | 1117103 | PI 75261 |
| 2 | PI 4510 | | Havardia sonorae (S. Watson) Britton & Rose | Sonora, Mexico | | | Historic | 1899 | COLLECTED | | | | | | | | 1539815 | PI 4510 |
| 3 | DLEG 950001 | DLEG 950001 | Havardia pallens (Benth.) Britton & Rose | Texas, United States | | | Historic | 1995 | COLLECTED | 01/05/1995 | Cameron Co., Along a resaca, Laguna Atascosa National Wildlife Refuge. Elevation near sea level. | | | | Wild material | Received from Drs. Edmund and Jean Weber. | 1526555 | DLEG 950001 |
| 4 | DLEG 900001 | DLEG 900001 | Havardia pallens (Benth.) Britton & Rose | Arizona, United States | | | Historic | 1990 | COLLECTED | 01/08/1989 | Pinal Co., Boyce Thompson Southwestern Arboretum, SW of Smith Bldg. | | | | Cultivated material | M. Johnson 90-001. | 1527818 | DLEG 900001 |
| 5 | DLEG 900020 | DLEG 900020 | Havardia sonorae (S. Watson) Britton & Rose | Sonora, Mexico | | | Historic | 1990 | COLLECTED | | | | | | Wild material | Wickedly spiny, dense, shrub or small tree. Received from Stephanie Meyer. | 1528127 | DLEG 900020 |
| 6 | DLEG 900041 | DLEG 900041 | Havardia pallens (Benth.) Britton & Rose | Arizona, United States | | | Historic | 1990 | COLLECTED | 02/26/1990 | Pinal Co., Desierto Verde growing grounds, Peter's Rd., Casa Grande. | | | Plants in growing area at nursery. | Cultivated material | M. Johnson 90-005. Accession has been regenerated. | 1528125 | DLEG 900041 |
| 7 | DLEG 900405 | DLEG 900405 | Havardia mexicana (Rose) Britton & Rose | Arizona, United States | | | Historic | 1990 | COLLECTED | 08/08/1990 | Pinal Co., Boyce Thompson Southwestern Arboretum. | | | | Cultivated material | | 1526615 | DLEG 900405 |
| 8 | DLEG 890047 | DLEG 890047 | Havardia mexicana (Rose) Britton & Rose | Sonora, Mexico | | | Historic | 1989 | COLLECTED | 06/27/1977 | Batuquito. | | | | Wild material | Received from Arizona Sonora Desert Museum. ASDM 1977-046. | 1527356 | DLEG 890047 |
| 9 | DLEG 890048 | DLEG 890048 | Havardia sonorae (S. Watson) Britton & Rose | Arizona, United States | | | Historic | 1989 | COLLECTED | | Maricopa Co., Desert Botanical Garden, Phoenix. | | | | Cultivated material | Received from Arizona Sonora Desert Museum. ASDM 1974-003-2. | 1526492 | DLEG 890048 |
| 10 | DLEG 890066 | DLEG 890066 | Havardia sonorae (S. Watson) Britton & Rose | Sonora, Mexico | |  | Historic | 1989 | COLLECTED | 03/02/1989 | Along Hwy 15, 35 mi. S of Navojoa. Elevation 300 ft. | | | Sinaloan Thornscrub with Stenocereus thurberi, Opuntia wilcoxii, Opuntia versicolor subsp. thurberi, Ferocactus herrerae, Fouquieria macdougalii, Cercidium praecox. | Wild material | Wickedly spiny, dense, shrub or small tree. Seeds heavily parasitized by bruchids. M. Johnson 89-030. Synonym: Pithecellobium sonorae. | 1527144 | DLEG 890066 |
| 11 | DLEG 890157 | DLEG 890157 | Havardia pallens (Benth.) Britton & Rose | Arizona, United States | |  | Historic | 1989 | COLLECTED | 06/14/1989 | Pinal Co., Boyce Thompson Southwestern Arboretum. | | | | Cultivated material | Seeds are infested with bruchids. Accession has been regenerated. Synonym: Pithecellobium pallens. | 1527087 | DLEG 890157 |
| 12 | DLEG 890159 | DLEG 890159 | Havardia mexicana (Rose) Britton & Rose | Arizona, United States | |  | Historic | 1989 | COLLECTED | 06/14/1989 | Pinal Co., Boyce Thompson Southwestern Arboretum. | | | | Cultivated material | Seeds are infested with bruchids. Synonym: Pithecellobium mexicanum. Accession has been regenerated. | 1527252 | DLEG 890159 |