Harvard University Herbaria & Libraries

Amaranthaceae
GH: 01929272 Amaranthus palmeri S. Watson USA: Texas Rio Grande Valley M. L. Walker 18 1942-7-30
GH: 01929198 Amaranthus polygonoides Linnaeus USA: Texas Rio Grande valley M. L. Walker 32 1942-8-2
Asteraceae
A: 02204467 Heterotheca subaxillaris latifolia (Buckley) Semple USA: Texas Rio Grande Valley M. L. Walker 22 1942-8
Chenopodiaceae
GH: 01826453 Atriplex pentandra (Jacquin) Standley USA: Texas Rio Grande Valley M. L. Walker 108 1942-8-27
Fabaceae
GH: 01921262 Dalea pogonathera walkerae (Tharp & F. A. Barkley) B. L. Turner USA: Texas Rio Grande Valley, La Joya Gravel Pit M. L. Walker 103 1942-8
GH: 02137085 Tephrosia lindheimeri A. Gray USA: Texas Rio Grande Valley M. L. Walker 1942-8-8
Malvaceae
GH: 02201980 Malvastrum coromandelianum (Linnaeus) Garcke USA: Texas Rio Grande Valley. M. L. Walker 33 1942-8-2
GH: 02200463 Sida ciliaris Linnaeus USA: Texas Rio Grande Valley M. L. Walker 64 1942-8-8
Nyctaginaceae
GH: 01642851 Acleisanthes obtusa (Choisy) Standley USA: Texas Rio Grande Valley, Engle Lake M. L. Walker 114 1942-11-11
GH: 01642940 Allionia incarnata Linnaeus USA: Texas Rio Grande Valley, LaJoya gravel pit M. L. Walker 96 1942-8
GH: 01641228 Boerhavia erecta Linnaeus USA: Texas Rio Grande valley M. L. Walker 1942-7-22
Onagraceae
GH: 01779972 Ludwigia octovalvis (Jacquin) P. H. Raven USA: Texas Rio Grande Valley, LaJoya gravel pit M. L. Walker 98 1942-8-27
Portulacaceae
GH: 01860770 Portulaca grandiflora Hooker USA: Texas Rio Grande Valley M. L. Walker 61 1942-8-8
GH: 01928013 Portulaca umbraticola Kunth USA: Texas Rio Grande Valley M. L. Walker 63 1942-8-8
Verbenaceae
GH: 01953428 Lantana sp. USA: Texas Rio Grande Valley, north of Hargill M. L. Walker 1942-11-11
Zygophyllaceae
GH: 01787818 Kallstroemia californica (S. Watson) Vail USA: Texas Rio Grande Valley M. L. Walker 67 1942-8-8