Plants with white flowers and alternate leaves - grassland
 Achillea millefolium (Yarrow) |
 Acmispon americanus (Spanish Clover) |
 Amelanchier alnifolia (Saskatoon) |
 Antennaria anaphaloides (Tall Everlasting) |
 Antennaria aprica (Low Everlasting) |
 Antennaria neglecta (Common Pussy-Toes) |
 Antennaria parvifolia (Small-Leaved Everlasting) |
 Antennaria umbrinella (Brown-Bracted Everlasting) |
 Arabis pycnocarpa (Hirsute Rock Cress) |
 Arctostaphylos uva-ursi (Bearberry, Kinnikinik) |
 Armoracia rusticana (Horse-radish) |
 Astragalus australis (Indian Milk-Vetch) |
 Astragalus cicer (Chickpea Milk-Vetch) |
 Astragalus drummondii (Drummond's Milk-Vetch) |
 Astragalus pectinatus (Narrow-Leaved Milk-Vetch) |
 Astragalus racemosus (Racemose Milk-Vetch) |
 Astragalus tenellus (Loose-Flowered Milk-Vetch) |
 Berteroa incana (Hoary Alyssum) |
 Boechera grahamii (Purple Rock Cress) |
 Boechera retrofracta (Reflexed Rock Cress) |
 Boechera stricta (Drummond's Rock Cress) |
 Castilleja sessiliflora (Downy Paintbrush) |
 Chaenorhinum minus (Small Snapdragon) |
 Chamaerhodos erecta (Chamaerhodos) |
 Chenopodium leptophyllum (Narrow Leaved Goosefoot) |
 Comandra umbellata (Pale Comandra) |
 Convolvulus arvensis (Field Bindweed) |
 Conyza canadensis (Canada Fleabane) |
 Coriandrum sativum (Coriander) |
 Crataegus chrysocarpa (Round-Leaved Hawthorn) |
 Crataegus douglasii (Black-Fruited Hawthorn) |
 Cryptantha celosioides (Clustered Oreocarya) |
 Cryptantha fendleri (Fendler's Cryptanthe) |
 Cypripedium candidum (Small White Lady's Slipper) |
 Dalea candida (White Prairie-Clover) |
 Draba reptans (Creeping Whitlow-Grass) |
 Drymocallis arguta (White Cinquefoil) |
 Erigeron asper (Rough Fleabane) |
 Erigeron caespitosus (Tufted Fleabane) |
 Erigeron glabellus (Smooth Fleabane) |
 Erigeron pumilus (Shaggy Fleabane) |
 Erigeron strigosus (Whitetop, Daisy Fleabane) |
 Fallopia convolvulus (Wild Buckwheat) |
 Glycyrrhiza lepidota (Wild Licorice) |
 Leucanthemum vulgare (Ox-eye Daisy) |
 Lobelia spicata (Spiked Lobelia) |
 Lomatium orientale (White-Flowered Parsley) |
 Malva pusilla (Round-Leaved Mallow) |
 Mentzelia decapetala (Evening Star) |
 Montia linearis (Linear-leaved Springbeauty) |
 Navarretia leucocephala (Pincushion Plant) |
 Oenothera nuttallii (White Evening Primrose) |
 Onosmodium bejariense var occidentale (Western False Gromwell) |
 Parnassia palustris (Grass of Parnassus) |
 Perideridia gairdneri (Squawroot) |
 Plagiobothrys scouleri (Scouler's Popcornflower) |
 Polygala alba (White Milkwort) |
 Polygala senega (Seneca Snakeroot) |
 Polygonum achoreum (Striate Knotweed) |
 Polygonum aviculare (Common Knotweed) |
 Polygonum polygaloides ssp. confertiflorum (White-Margined Knotweed) |
 Polygonum polygaloides ssp. kelloggii (Small Knotweed) |
 Prenanthes racemosa (Glacuous White Lettuce) |
 Prunus pensylvanica (Pin Cherry) |
 Prunus pumila (Sand Cherry) |
 Prunus virginiana (Choke Cherry) |
 Ribes oxyacanthoides (Northern Gooseberry) |
 Solanum triflorum (Wild Tomato) |
 Solidago ptarmicoides (White Upland Goldenrod) |
 Spiraea alba (Narrow-Leaved Meadowsweet) |
 Symphyotrichum ericoides (Many-Flowered Aster) |
 Symphyotrichum falcatum (White Prairie Aster) |
 Thalictrum venulosum (Veiny Meadow Rue) |
 Thlaspi arvense (Stinkweed) |
 Toxicoscordion venenosum (Death Camas) |
 Tripleurospermum inodorum (Scentless Chamomile) |
 Turritis glabra (Tower Mustard) |