| 0 | PI 544212 | 4335 | Aeschynomene americana L. | Oaxaca, Mexico | S9 | | | 1990 | COLLECTED | 02/28/1985 | 6.6km S La Maria Hwy 175 road Oaxaca-Puerto Angel, La Maria, Oaxaca State. | 16.66666667, -96.73333333 | 1450 | | Wild material | Plants dead. Associated species: A. villosa, M. atropurpureum, Desmodium sp., Zornia sp. Annual rainfall 635mm. | 1439148 | PI 544212 |
| 1 | PI 544216 | 4471 | Aeschynomene americana L. var. americana | Chiapas, Mexico | S9 | | | 1990 | COLLECTED | 03/07/1985 | 4.3km Ixtapa road to Soyala Hwy 195, Ixtapa, Chiapas State. | 16.83333333, -92.91666667 | 1140 | | Wild material | Annual rainfall 1703mm. Soil pH 6.0. Associated species: S. humilis, D. barbatum, Teramnus uncinatus, A. villosa, Stylosanthes sp., D. scorpiuris, Zornia sp., Indigofera sp., S. guianensis. Plants dead. | 1439152 | PI 544216 |
| 2 | PI 544219 | 4583 | Aeschynomene americana L. | Chiapas, Mexico | S9 | | | 1990 | COLLECTED | 03/12/1985 | Hwy 186 marker 104, 9.9km W on Hwy 186 from intersection of Palerque Hwy 199, Catazaja, Chiapas State. | 17.66666667, -92.05000000 | | | Wild material | Annual rainfall 2032mm. Associated species: D. barbatum, S. guianensis, Zornia sp., Tephrosia sp., A. villosa, M. lathyroides. | 1439155 | PI 544219 |
| 3 | PI 544222 | 4650 | Aeschynomene americana L. var. americana | Veracruz de Ignacio de la Llave, Mexico | S9 | | | 1990 | COLLECTED | 03/16/1985 | 2.3km W of intersection from Santiago Tustla and road to Cuidad Aleman & Tuxtepec, Isla, Veracruz State | 18.05000000, -95.56666667 | 50 | | Wild material | Annual rainfall 1419mm. Soil pH 4.5 to 4.8. Identified by V. Rudd. Associated species: M. atropurpureum, D. barbatum, Zornia sp., S. guianensis. | 1439158 | PI 544222 |
| 4 | PI 544230 | 4752 | Aeschynomene americana L. | Alajuela, Costa Rica | S9 | | | 1990 | COLLECTED | 04/29/1986 | 10km N of Montes del Aguacate, Alajuela State. | | 300 | | Wild material | Identified by V. E. Rudd. Associated species: Desmodium barbatum, Zornia sp | 1439166 | PI 544230 |
| 5 | PI 544240 | 4890 | Aeschynomene americana L. | San José, Costa Rica | S9 | | | 1990 | COLLECTED | 03/09/1987 | 2km S of Tarbarca, Aserri, San Jose State. | 9.85000000, -84.10000000 | 1475 | | Wild material | Annual rainfall 2356mm. Associated species: Macroptilium sp., S. guianensis, Zornia sp., Desmodium sp., Rhynchosia sp. Plants dead. | 1439176 | PI 544240 |
| 6 | PI 544247 | 4821 | Aeschynomene americana L. | San José, Costa Rica | S9 | | | 1990 | COLLECTED | 03/10/1987 | 32km S of Puriscal road to Parrito, Puriscal (Santiago), San Jose State. | 9.68333333, -84.43333333 | 500 | | Wild material | Annual rainfall 2145mm. Associated species: S. guianensis, Zornia sp | 1439183 | PI 544247 |
| 7 | PI 544256 | 4957 | Aeschynomene americana L. | San José, Costa Rica | S9 | | | 1990 | COLLECTED | 03/16/1987 | 13km (Autopista) Ruta 27, San Jose to Colon, San Jose, San Jose State. | 9.95000000, -84.21666667 | 900 | | Wild material | Annual rainfall 1868mm. Plants dead. Associated species: Zornia sp., C. pubescens, T. uncinatus. | 1439192 | PI 544256 |
| 8 | PI 544287 | 6411 | Aeschynomene americana L. | Guanacaste, Costa Rica | S9 | | | 1990 | COLLECTED | 02/17/1988 | 1.8km from Tileran road to Monte Verde, Tileran, Guanacaste State. | 10.45000000, -84.96666667 | 625 | | Wild material | Associated species: Siratro, Centrosema sp., Zornia species, T. uncinatus, S. guianensis. Plants dead. | 1439223 | PI 544287 |
| 9 | PI 544288 | 6414 | Aeschynomene americana L. | Guanacaste, Costa Rica | S9 | | | 1990 | COLLECTED | 02/17/1988 | 14.8km from Tileran road to Monte Verde, Qubrado Grande, Guanacaste State. | 10.41666667, -84.90000000 | 1000 | | Wild material | Associated species: Desmodium incanum, Desmodium sp., D. adscendens, D. intortum, C. mucunoides, Zornia species. | 1439224 | PI 544288 |
| 10 | PI 544307 | 6516 | Aeschynomene americana L. | Guanacaste, Costa Rica | S9 | | | 1990 | COLLECTED | 01/31/1989 | 1.3km S of Curime, Guanacaste State. | 10.11666667, -85.46666667 | 150 | | Wild material | Annual rainfall 1978mm. Associated species: S. humilis, Zornia sp., C. pubescens, A. villosa. | 1439243 | PI 544307 |
| 11 | PI 546907 | 4584 | Aeschynomene villosa Poir. var. villosa | Chiapas, Mexico | S9 | | | 1990 | COLLECTED | 03/12/1985 | Hwy 186 marker 104, 9.9km W on Hwy 186 from interection of Palerque Hwy 199, Catazaja, Chiapas State. | 17.66666667, -92.05000000 | | | Wild material | Annual rainfall 2032mm. Associated species: D. barbatum, S. barbatum, S. guianensis, Zornia sp., Tephrosia sp., A. americana, M. lathyroides. | 1441843 | PI 546907 |
| 12 | PI 546930 | 4258 | Aeschynomene villosa Poir. var. villosa | Veracruz de Ignacio de la Llave, Mexico | S9 | | | 1990 | COLLECTED | 02/23/1985 | Area heavily grazed by goats and cattle, 1 km off Maltrata turnoff road Orizaba to Puebla, Maltrata, Veracruz State. | 18.85000000, -97.25000000 | 1750 | | Wild material | Annual rainfall 2117mm. Soil pH 8.0. Identified by V. E. Rudd. Associated species: Zornia sp., M. heterophyllum, Medicago sp. (black medic). | 1441866 | PI 546930 |
| 13 | PI 546934 | 4669 | Aeschynomene villosa Poir. var. villosa | Veracruz de Ignacio de la Llave, Mexico | S9 | | | 1990 | COLLECTED | 03/17/1985 | Sand hills, road marker 62 W of Lerdo de Tejada Hwy 180, 11km E of toll bridge at Alvarado, Veracruz State. | 18.75000000, -95.68333333 | 25 | | Wild material | Annual rainfall 1710mm. Identified by V.E. Rudd. Associated species: M. atropurpureum, Zornia sp. | 1441870 | PI 546934 |
| 14 | PI 543314 | 4668 | Macroptilium atropurpureum (DC.) Urb. | Veracruz de Ignacio de la Llave, Mexico | S9 | | | 1989 | COLLECTED | 03/17/1985 | Sand hills at road marker 62 W of Lerdo de Tejada, Hwy 180, 11km E of toll bridge at Alvarado, Lerdo de Tejada, Veracruz State. | 18.75000000, -95.68333333 | 25 | | Wild material | Annual rainfall 1710mm. Leaves normal size. Soil pH 6.5. Rust and mite damage. Associated species: Zornia sp., Phaseolus lunatus. | 1438250 | PI 543314 |