Materia Medica

Lycopodium clavatum (Club Moss), realistic botanical photo
Club Moss (Lycopodium clavatum) — Wolf's Claw, Ground Pine
A safety-forward guide to Club Moss (Lycopodium clavatum), covering identification, traditional spore and plant uses, alkaloid and look-alike concerns, limited clinical evidence, ecology and folklore. Read more...
Zea mays (Corn Silk), realistic botanical photo
Corn Silk (Zea mays) — Maize Silk, Corn Hair
A clear guide to corn silk from Zea mays, covering plant biology, traditional urinary use, preparation, research limits, interaction cautions and folklore. Read more...
Vaccinium macrocarpon (Cranberry), realistic botanical photo
Cranberry (Vaccinium macrocarpon) — American Cranberry, Bog Cranberry
A whole-plant guide to American Cranberry (Vaccinium macrocarpon), including bog ecology, food use, recurrent-UTI prevention research, why cranberry does not treat an active UTI, warfarin caution, cultivation and folklore. Read more...
Goldenrod (Solidago canadensis) — Canada Goldenrod, Common Goldenrod
A guide to Solidago canadensis covering goldenrod identification, traditional urinary use, preparation, Asteraceae allergy and fluid-balance safety. Read more...
Juniper (Juniperus communis) — Common Juniper, Juniper Berry
A guide to Juniperus communis covering juniper berry cones, culinary use, traditional urinary use, pregnancy and kidney cautions, and folklore. Read more...
Gravel Root (Eutrochium purpureum) — Joe-Pye Weed, Queen of the Meadow
A guide to Eutrochium purpureum covering gravel root's traditional urinary use, modern taxonomy, limited research, kidney red flags and safety. Read more...