Latex

A source of rubber.

Agoseris glauca (Mountain Dandelion) - Apios americana (Glycine tubéreuse) - Apocynum androsaemifolium (Spreading Dogbane) - Apocynum cannabinum (Indian Hemp) - Asclepias asperula (Antelope Horns) - Asclepias brachystephana - Asclepias californica (California Milkweed) - Asclepias decumbens - Asclepias eriocarpa (Woollypod Milkweed) - Asclepias erosa (Desert Milkweed) - Asclepias galioides (Bedstraw Milkweed) - Asclepias hallii (Purple Silkweed) - Asclepias incarnata (Swamp Milkweed) - Asclepias involucrata (Dwarf Milkweed) - Asclepias lanceolata (Purple Silkweed) - Asclepias latifolia (Broadleaf Milkweed) - Asclepias mexicana - Asclepias ovalifolia - Asclepias pumila (Low Milkweed) - Asclepias purpurascens (Purple Milkweed) - Asclepias quadrifolia (Fourleaf Milkweed) - Asclepias rubra (Red Silkweed) - Asclepias speciosa (Showy Milkweed) - Asclepias subulata (Rush Milkweed) - Asclepias sullivantii - Asclepias syriaca (Asclépiade de Syrie) - Asclepias tuberosa (Asclépiade tubéreuse) - Asclepias viridiflora (Green Milkweed) - Chrysothamnus graveolens (Rubber Rabbitbrush) - Chrysothamnus nauseosus (Rubber Rabbitbrush) - Chrysothamnus viscidiflorus (Green Rabbitbrush) - Cynanchum acutum (Scammonée aiguë) - Eucommia ulmoides (Arbre à gutta-percha) - Euonymus europaeus (Fusain) - Euonymus hamiltonianus - Euonymus hamiltonianus maackii - Euonymus hamiltonianus sieboldianus - Euonymus japonicus (Fusain japonais) - Euonymus latifolius - Euonymus verrucosus - Euphorbia lathyris (Euphorbe épurge) - Hymenoxys richardsonii (Pingue Hymenoxys) - Marsdenia tenacissima (Rajmahal Hemp) - Nerium oleander (Laurier rose) - Parthenium argentatum (Guayule) - Scorzonera acanthoclada (Teke-Saghyz) - Scorzonera albicaulis - Scorzonera divaricata - Scorzonera hissaricata - Scorzonera racemosa - Scorzonera tau-saghyz (Tau-Saghyz) - Scorzonera tragapogonoides - Scorzonera turkestania - Scorzonera virgata - Solidago canadensis scabra (Canadian Goldenrod) - Solidago fistulosa - Solidago leavenworthii - Solidago rigida (Stiff Goldenrod) - Sonchus oleraceus (Laiteron maraîcher) - Taraxacum hybernum - Taraxacum kok-saghyz (Rubber Dandelion) - Taraxacum megalorrhizon - Taraxacum officinale (Pissenlit officinal)