Data Sources & Credits

Verdica's plant knowledge is built on trusted scientific sources.

🌿 World Flora Online

Global plant taxonomy — the most extensive index of known plant species. Used under CC-BY 4.0.

🌿 USDA Plant Data

Distribution, nativity, and growth characteristics for North American plants. U.S. public domain.

🔬 Dr. Duke's Phytochemical & Ethnobotanical Databases

Phytochemical compounds, medicinal, and ethnobotanical use data for thousands of plants. CC0 (public domain).
Duke, James A. USDA-ARS-NGRL, Beltsville Agricultural Research Center. phytochem.nal.usda.gov

🌍 Wikidata

Structured botanical facts including IUCN conservation status, native ranges, and documented plant uses. Released under CC0 (public domain).
Wikidata contributors (2026). wikidata.org

☀️ Weather Intelligence

Real-time weather data for growing alerts and frost warnings. Data © OpenWeatherMap (ODbL).

🗺️ Map Data

Map tiles and geographic data © OpenStreetMap contributors (ODbL).

🌿 Kew — World Checklist of Useful Plant Species (2020)

Edibility (human food) classifications for 6,088 plant species, extracted from the Kew Useful Plant Species checklist. CC-BY 4.0.
Diazgranados, M., Allkin, B., Black, N., et al. (2020). World Checklist of Useful Plant Species. Produced by the Royal Botanic Gardens, Kew. Knowledge Network for Biocomplexity. https://doi.org/10.5063/F1CV4G34

🌾 Martinez et al. 2024 — Intercropping Experiments Database

Companion-planting data derived from 2,231 peer-reviewed field experiments across 191 articles, covering 170 species. Used under Licence Ouverte / Open Licence 2.0 (Etalab, commercial use permitted with attribution).
Martinez, S. et al. (2024). Global Intercropping Experiments Database (v7.0). INRAE. https://doi.org/10.57745/HV33V1

⚗️ TPPT — Toxic Plants—Phytotoxins Database

Toxicity data for 844 poisonous plant species with 1,586 phytotoxins. Provided by Agroscope, Swiss federal centre of excellence for agricultural research.

🌍 GBIF — Global Biodiversity Information Facility

Plant occurrence and specimen photo data aggregated from museums, herbaria, and research institutions worldwide. Filter applied: CC0 1.0 and CC-BY 4.0 licenses, images only, present occurrences, Plantae. 61,479,071 records from 753 published datasets.
GBIF.org (15 April 2026) GBIF Occurrence Download https://doi.org/10.15468/dl.u6b34s

📷 iNaturalist

Community-contributed plant observation photos used to train our visual identification model. Photos used under CC0 and CC-BY licenses only; CC-BY-SA variants are excluded at filter time. © iNaturalist contributors.