Plants with yellow or green flowers
 Acorus americanus (Sweet Flag) |
 Adoxa moschatellina (Moschatel) |
 Agoseris glauca (False Dandelion) |
 Agrimonia striata (Agrimony) |
 Alyssum desertorum (Desert Madwort) |
 Ambrosia acanthicarpa (Bur Ragweed) |
 Ambrosia artemisiifolia (Annual Ragweed) |
 Ambrosia psilostachya (Perennial Ragweed) |
 Anemone virginiana (Tall Anemone) |
 Anticlea elegans var. elegans (Smooth Camas) |
 Arnica chamissonis (Leafy Arnica) |
 Arnica cordifolia (Heart-Leaved Arnica) |
 Arnica fulgens (Shining Arnica) |
 Artemisia absinthium (Absinthe) |
 Artemisia biennis (Biennial Wormwood) |
 Artemisia campestris (Plains Wormwood) |
 Artemisia cana (Sagebrush) |
 Artemisia dracunculus (Linear-Leaved Wormwood) |
 Artemisia frigida (Pasture Sage) |
 Artemisia longifolia (Long-Leaved Sage) |
 Artemisia ludoviciana (Prairie Sage) |
 Asclepias viridiflora (Green Milkweed) |
 Astragalus canadensis (Canadian Milk-Vetch) |
 Astragalus cicer (Chickpea Milk-Vetch) |
 Astragalus racemosus (Racemose Milk-Vetch) |
 Atriplex gardneri (Nuttall's Atriplex, Nuttall's Saltbush) |
 Atriplex hortensis (Garden Orache) |
 Atriplex micrantha (Russian Atriplex) |
 Atriplex rosea (Tumbling Orache) |
 Axyris amaranthoides (Russian Pigweed) |
 Barbarea orthoceras (American Winter Cress) |
 Berberis repens (Creeping Oregon Grape) |
 Bidens beckii (Water-marigold) |
 Bidens cernua (Nodding Beggarticks) |
 Bidens frondosa (Common Beggarticks) |
 Bidens vulgata (Tall Beggarticks) |
 Brassica rapa (Bird-Rape) |