How to use this page
- Search by Latin or common name (e.g., Achillea, yarrow).
- Jump A–Z to scan alphabetically (use “0–9” for numerals).
- Filter by Action (e.g., astringent), Preparation (tincture, infusion), or System (digestive, immune).
- Reset with Clear to see the full index again.
What an entry includes
- Scientific + common names, parts used, primary actions, systems, preparations.
- Safety snapshot and links to related Studies when available.
- Consistent black-and-white, field-guide style illustrations for quick recognition.
Editorial standards: Educational, research-aware, and non-diagnostic. See our Editorial Policy and Sourcing & Citations.
Medical disclaimer: For general education only. Consult a qualified practitioner about individual use, especially with medications, pregnancy, or medical conditions.
Materia Medica A – Z
Our herbal encyclopedia with preparations, uses, safety notes, and research references.
H
Hawthorn Coming soon
Hawthorn leaf & flower Coming soon
Heather Coming soon
Hemlock Reishi Coming soon
Hibiscus (roselle) calyx Coming soon
Holy basil (Krishna) Coming soon
Holy basil (tulsi) Coming soon
Honey Coming soon
Honeybush Coming soon
Hops Coming soon
Horehound (white) Coming soon
Horse chestnut Coming soon
Horseradish Coming soon
Horsetail Coming soon
Hyssop Coming soon