Bromeliaceae GH: 00257797 Hechtia texensis S. Watson Mexico: Cedros, Northern Zacatecas J. E. Kirkwood 5 1908-6
GH: 00257797 Hechtia zacatecae L. B. Smith Mexico: Cedros, Northern Zacatecas J. E. Kirkwood 5 1908-6
Euphorbiaceae A: 00246645 Croton pottsii (Klotzsch) Müller Argoviensis Mexico: Arroyos, Cedros, Northern Jacatecas J. E. Kirkwood 104 1908-6
Oleaceae GH: 00073740 Forestiera angustifolia Torrey Mexico: Zacatecas Cedros, arroyos J. E. Kirkwood 12 1908-6
GH: 00073740 Forestiera puberula Eastwood Mexico: Zacatecas Cedros, arroyos J. E. Kirkwood 12 1908-6
GH: 00257828 Menodora Mexico: Cedros, Northern Zacatecas J. E. Kirkwood 20 1908-6
GH: 00257828 Menodora coulteri A. Gray Mexico: Cedros, Northern Zacatecas J. E. Kirkwood 20 1908-6
GH: 00257828 Menodora coulteri minima Steyermark Mexico: Cedros, Northern Zacatecas J. E. Kirkwood 20 1908-6
Verbenaceae GH: 01319534 Aloysia gratissima (Gillies & Hooker) Troncoso Mexico: Zacatecas Cedros; Northern Zacatecas J. E. Kirkwood 87 1908-6
GH: 01319597 Aloysia wrightii A. Heller Mexico: Zacatecas Arroyos, Cedros- northern Zacatecas J. E. Kirkwood 79 1908-6
