Plants with white flowers and opposite or whorled leaves - forest
 Anemone canadensis (Canada Anemone) |
 Anemone quinquefolia (Wood Anemone) |
 Anemone virginiana (Tall Anemone) |
 Apocynum androsaemifolium (Spreading Dogbane) |
 Cerastium arvense (Field Chickweed) |
 Cerastium nutans (Long-Stalked Chickweed) |
 Circaea alpina (Small Enchanter's-Nightshade) |
 Claytonia lanceolata (Lance-Leaved Spring Beauty) |
 Clematis ligusticifolia (Western Clematis) |
 Collinsia parviflora (Blue-eyed Mary) |
 Cornus canadensis (Bunchberry) |
 Cornus sericea (Red-Osier Dogwood) |
 Ellisia nyctelea (Waterpod, Aunt Lucy) |
 Euphorbia glyptosperma (Ridge-Seeded Spurge) |
 Euphorbia serpyllifolia (Thyme-Leaved Spurge) |
 Euphrasia subarctica (Northern Eyebright) |
 Galium boreale (Northern Bedstraw) |
 Gentianella amarella (Northern Gentian) |
 Geranium richardsonii (Wild White Geranium) |
 Houstonia longifolia (Long-Leaved Bluets) |
 Lonicera tatarica (Tatarian Honeysuckle) |
 Lonicera villosa (Blue Fly Honeysuckle) |
 Melampyrum lineare (Cow-Wheat) |
 Moehringia lateriflora (Blunt-Leaved Sandwort) |
 Rhododendron groenlandicum (Labrador Tea) |
 Sambucus racemosa var. racemosa (Red Elderberry) |
 Saponaria officinalis (Bouncing-Bet) |
 Silene csereii (Smooth Catchfly) |
 Silene menziesii (Menzies' Catchfly) |
 Stellaria longifolia (Long-Leaved Stitchwort) |
 Stellaria longipes (Long-Stalked Stitchwort) |
 Stellaria media (Common Chickweed) |
 Symphoricarpos albus (Snowberry) |
 Symphoricarpos occidentalis (Buckbrush, Western Snowberry) |
 Trientalis borealis (Starflower) |
 Trillium cernuum (Nodding Wakerobin) |
 Valeriana dioica (Northern Valerian) |
 Viburnum edule (Low Bush-Cranberry) |
 Viburnum opulus var. americanum (High Bush-Cranberry) |