Plants with all other flower colours and opposite or whorled leaves - wetland
 Eutrochium maculatum (Joe-Pye Weed) |
 Gentianopsis crinita (Fringed Gentian) |
 Kalmia polifolia (Bog Laurel) |
 Lomatogonium rotatum (Marsh Felwort) |
 Lysimachia maritima (Sea Milkwort) |
 Lythrum salicaria (Purple Loosestrife) |
 Mentha arvensis (Wild Mint) |
 Mimulus ringens (Blue Monkey Flower) |
 Pedicularis groenlandica (Elephant Head) |
 Physostegia ledinghamii (False Dragonhead) |
 Scutellaria galericulata (Marsh Skullcap) |
 Scutellaria lateriflora (Blue Skullcap) |
 Stachys palustris (Marsh Hedge-Nettle) |
 Teucrium canadense (Hairy Germander) |
 Veronica americana (American Speedwell) |
 Veronica anagallis-aquatica (Water Speedwell) |
 Veronica scutellata (Marsh Speedwell) |
 Veronica serpyllifolia (Thyme-Leaved Speedwell) |