Fig. 1From: The floristic relationship between the upland and lowland Carboniferous wetlands of Variscan Euramerica — Evidence from some medullosalean pteridosperm frondsPalaeogeographical map of Variscan Euramerica during middle Westphalian times, showing large area of paralic coal swamps and the two main intramontane basins, Saar-Lorraine and West and Central Bohemia. Adapted with permission from Cleal et al. (2010a, their Fig. 1)Back to article page