Trefle
A free API for plants, built from all botanical databases 🍀
Trefle launched on January 6, 2019 with 192 votes, #109 of 2,587 launches that month and more than 95% of that year's launches. The site was still online in September 2026, 7 years on.
What it does
Trefle is a global plants API, allowing everyone to build the next gardening apps and farming robots, search over (almost) all the plants of the world over multiple criterias, get up-to-date informations, taxonomical references and more
Trefle is a botanical API and data source.
Trefle is an open botanical data source and REST API. It indexes about one million plants gathered from institutional sources and completed by hand by contributors. It is free for all. Type a scientific or common name. The API answer appears as it is returned, and as a page would display it. No account needed here. Trefle is still in beta. Some records are incomplete or not fully validated; missing values are labelled unknown rather than hidden. Each species page states its own completeness and lists what is missing. The database is not frozen. Contributors submit corrections every day; each one is reviewed before it is published. A plain REST API returning JSON. 60 requests per minute for…from trefle.io
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