Achillea millefolium (Yarrow)
Aconitum napellus (Monkshood, Aconite)
Angelica sinensis (Dong quai)
Arctostaphylos uva ursi (Bearberry)
Asclepias tuberosa (Pleurisy root)
Atropa belladonna (Belladonna)
Bryonia alba (Bryony)
Capsicum frutescens (Cayenne, Red pepper)
Chelidonium majus (Celandine)
Corydalis bulbosa (Corydalis)
Curcuma longa (Tumeric)
Datura stramonium (Jimson weed, Thornapple)
Dioscorea villosa (Wild yam)
Eschscholzia californica (California poppy)
Filipendula ulmaria (Meadowsweet)
Gelsemium sempervirens (Yellow jasmine, Gelsemium)
Harpagophytum procumbens (Devil's claw, Grapple plant)
Leonurus cardiaca (Motherwort)
Matricaria chamomilla (German chamomile)
Mentha piperita (Peppermint)
Passiflora incarnata (Passionflower)
Petasites hybridus (Butterbur)
Piper methysticum (Kava kava)
Piscidia piscipula (Jamaican dogwood)
Rosmarius officinalis (Rosemary)
Sticta pulmonaria (Lungwort)
Symphytum officinale (Comfrey)
Urtica urens (Nettles)
Valeriana officinalis (Valerian)
Verbascum thapsus (Mullein)
Zanthoxylum clava-herculis (Southern prickly ash)
Zingiber offiniale (Ginger)

References