Supplementary material 1 from: Croce A, Nazzaro R (2017) An atlas of orchids distribution in the Campania region (Italy), a citizen science project for the most charming plant family. Italian Botanist 4: 15-32. https://doi.org/10.3897/ib.4.14916

Relations between the 4 tables of the MS Access database used to store the data of the project and respective fields : Data type: Image