Pam Oh Herbs

Botanical Library

A reference, not a recommendation. Each entry states what is known, how strongly it is known, and where that knowledge comes from. Nothing here tells you what to take.

Dried botanical specimens laid out on stone: chamomile flower heads, sliced ginger rhizome, cinnamon bark, dried rose petals and loose leaf.

A House botanical study. Not a photograph of a Collection.

How to read an entry

Every entry is labelled with one of three evidence tiers. The label is always shown with the content it describes.
Evidence tier: Traditional use
Traditional use: Recorded historical or cultural use. Never stated as a proven effect.
Evidence tier: Emerging research
Emerging research: Early or limited study. Study type and limitations are always shown.
Evidence tier: Established evidence
Established evidence: Well-supported findings. Citation and review date are always shown.

Browse the catalogue

The botanicals, foods, minerals and fungal materials the Library covers, by name, family and part discussed. Most entries now carry a sourced profile with safety considerations and named references. The remainder publish nomenclature only until their sources are opened and recorded.
Filter by educational category

100 of 100 botanicals listed.

99 of these entries carry a full profile: identity, forms, safety considerations and named references. The remaining 1 are listed by name, family and part only, and are marked as such, because the House has not yet been able to name an authority for them.

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Entries

No approved content yet

No Library entry has been approved for publication. An entry appears only when it carries an evidence tier and a citation that resolves to its source.