Milkweed Species (Asclepias sp). amplexicaulis amplexicaulis (fishbein) angustifolia angustifolia2 Asclepias spp seed diversity (ellen woods) asperula backyard diversity barjoniifolia brachystephana brachystephana2 californica californica2 californica3 candida candida2 cinerea connivens connivens2 cordifolia cryptoceras curassavica (yellow form) curassavica with aphis nerrii curtissii curtissii2 engelmaniana exaltation (Johnson) erosa fascicularis gomphocarpus fruticosus compared to physocarpus greenhouse diversity hallii (fishbein) hirtella humistrata1 humistrata2 incarnata incarnata subspecies incarnata incarnata subspecies pulchra lanceolata lanceolata2 latifolia latifolia2 lemmonii (fishbein) linaria linaria2 linearis lonigifolia macrosperma macrosperma2 mexicana mexicana2 mexicana3 milkweed greenhouse1 nivea nyctaginifolia obovata obovata2 oenotherioides perennis perennis2 pumila purpurescens quadrifolia quadrifolia2 rubra (fishbein) solanoana (strauss) speciosa speciosa2 subulata subverticilata sulivantii syriaca syriaca2 syriaca3 syriaca4 syriaca5 syriaca6 syriaca7 texana tomentosa tuberosa tuberosa2 variegata (fishbein) verticillata verticillata2 virdis viridiflora viridula viridula2 welshii welshii2 welshii3