Gum rockrose (Cistus ladanifer): traditional uses, labdanum, active compounds, preparations, allergy precautions and how it differs from Cistus incanus.

Gumweed (Grindelia robusta): traditional respiratory uses, phytochemistry, preparation, synergies and cautions for kidneys, blood pressure and allergy.

Allspice (Pimenta dioica): traditional uses, phytochemistry, recipes and essential oil safety for this Caribbean spice from the myrtle family.

White peony (Paeonia lactiflora): traditional uses of bai shao root, active compounds, preparation methods, recipes, precautions and contraindications.

American skullcap (Scutellaria lateriflora): traditional uses, active compounds, preparation, adulteration risks and how it differs from Chinese skullcap.