what is a watsonian vice-county? - EAS
- Vice county Vice counties are a special category of boundaries which are used for biological recording in the United Kingdom and Ireland. Initially invented by Watson for Great Britain in the 19th century, the concept was extended to Ireland by Praeger in the early twentieth century.wiki.openstreetmap.org/wiki/Vice_county
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The Complete Guide to the Watsonian Vice County System
Watsonian Vice County Boundaries - University of Edinburgh
Updates to the Watsonian vice county GIS boundaries
Watsonian Vice Counties | BirdForum
Vice-county — Wikipedia Republished // WIKI 2
Watsonian Vice County Boundaries
Grid reference vice-county lookup - Herbaria United