Of the Vervain family (Verbenaceae), the European vervain (Verbena officinalis).
Of the Vervain family (Verbenaceae), the white vervain (Verbena urticaefolia).
Of the Vervain family (Verbenaceae), the narrow-leaved vervain (Verbena angustifolia).
Of the Vervain family (Verbenaceae), the blue vervain (Verbena hastata).
Of the Mint family (Labiatae), the blue curls (Trichostema dichotomum).
Of the Mint family (Labiatae), the rich weed (Collinsonia Canadensis).
Of the Mint family (Labiatae), the horse mint (Mentha longifolia).
Of the Mint family (Labiatae), the peppermint (Mentha piperita).
Of the Mint family (Labiatae), the spearmint (Mentha spicata).
Of the Mint family (Labiatae), the leaf of the water mint (Mentha aquatica.
Of the Mint family (Labiatae), the lower leaf of the cut-leaved water horehound (Lycopus americanus).
Of the Mint family (Labiatae), the leaf of the corn mint (Mentha arvensis).
Of the Mint family (Labiatae), the wild mint (Mentha arvensis var. Canadensis).
Of the Mint family (Labiatae), the hyssop (Hyssopus officinalis).
Of the Mint family (Labiatae), the mountain mint (Pycnanthemum flexuosum).
Of the Mint family (Labiatae), the American pennyroyal (Hedeoma pulegioides).
Of the Mint family (Labiatae), the wild bergamot (Monarda fistulosa var. rubra).
Of the Mint family (Labiatae), the sage (Salvia lyrata).
Of the Mint family (Labiatae), the downy blephilia (Blephilia ciliata).
Of the Mint family (Labiatae), catnip (Nepeta Cataria).
Of the Mint family (Labiatae), gill-over-the-ground (Nepeta hederacea).
Of the Mint family (Labiatae), the mad-dog skullcap (Scutellaria laterifora).
Of the Mint family (Labiatae), the leaf of Scutellaria nervosa.
Of the Mint family (Labiatae), the leaf of the common skullcap (Scutellaria galericulata).
Of the Mint family (Labiatae), the leaf of Scutellaria pilosa.
Of the Mint family (Labiatae), the larger skullcap (Scutellaria integrifolia.
Of the Mint family (Labiatae), the self-heal (Prunella vulgaris).
Of the Mint family (Labiatae), the motherwort (Leonurus Cardiaca).
Of the Nightshade family (Solanaceae), the black nightshade (Solanum nigrum).
Of the Nightshade family (Solanaceae), the leaf and flower of the bittersweet nightshade (Solanum Dulcamara).
Of the Nightshade family (Solanaceae), the leaf and flower of the Virginia ground cherry (Physalis virginiana).
Of the Nightshade family (Solanaceae), the purple thorn apple (Datura Tatula).
Of the Figwort family (Scrophulariaceae), the great mullein (Verbascum Thapsus).
Of the Figwort family (Scrophulariaceae), the moth mullein (Verbascum Blattaria).
Of the Figwort family (Scrophulariaceae), the toad-flax (Linaria vulgaris).
Of the Figwort family (Scrophulariaceae), the blue toad flax (Linaria Canadensis).
Of the Figwort family (Scrophulariaceae), the false pimpernel (Ilysanthes dubia).
Of the Figwort family (Scrophulariaceae), the pentstemon (Penstemon hirsutus).
Of the Figwort family (Scrophulariaceae), the common speedwell (Veronica officinalis).
Of the Figwort family (Scrophulariaceae), the Alpine speedwell (Veronica alpina).
Of the Figwort family (Scrophulariaceae), the thyme-leaved speedwell (Veronica serpyllifolia).
Of the Figwort family (Scrophulariaceae), the American brooklime (Veronica americana).
Of the Figwort family (Scrophulariaceae), the culver's root (Veronica virginica).
Of the Figwort family (Scrophulariaceae), the downy false foxglove (Gerardia flava).
Of the Figwort family (Scrophulariaceae), the fern-leaved false foxglove (Gerardia pedicularia).
Of the Figwort family (Scrophulariaceae), the sea-side gerardia (Gerardia maritima).
Of the Figwort family (Scrophulariaceae), the purple gerardia (Gerardia purpurea).
Of the Figwort family (Scrophulariaceae), the slender gerardia (Gerardia tenuifolia).
Of the Figwort family (Scrophulariaceae), the painted cup (Castilleja coccinea).
Of the Figwort family (Scrophulariaceae), Castilleja pallida var. septentrionalis.
Of the Figwort family (Scrophulariaceae), the yellow rattle (Rhinanthus Crista-Galli).
Of the Figwort family (Scrophulariaceae), the eyebright (Euphrasia americana).
Of the Figwort family (Scrophulariaceae), the lousewort (Pedicularis canadensis).
Of the Figwort family (Scrophulariaceae), Pedicularis lanceolata.
Of the Figwort family (Scrophulariaceae), cow-wheat (Melampyrum lineare).
Of the Broom-rape family (Orobanchaceae), the squawroot (Conopholis americana).
