Fig. 4
From: Tracing old carbon sources in Hungarian nectar samples using radiocarbon analysis
Location of Hungary (A) and the sampling sites and selected species in Hungary (B), and the species and the number of sampling site (listed in Table 3) in Hajdú-Bihar county (C). The maps were created using QGIS 3.8.0, an open-source software program (https://qgis.org/), with Google Satellite layers as the basemaps.
