Distribution map of Buxus balearica (Balearic box).
     Native continuous range
✖ Native isolated population
Caudullo, G., Welk, E., San-Miguel-Ayanz, J., 2017. Chorological maps for the main European woody species. Data in Brief 12, 662-666. DOI: 10.1016/j.dib.2017.05.007
Data: https://doi.org/10.6084/m9.figshare.11359547 
References:

Biondi, E., Vagge, I., Mossa, L., 1997. La vegetazione a Buxus balearica Lam. in Sardegna. Bollettino della Società Sarda di Scienze Naturali, 31: 231-238.
Di Domenico, F., Lucchese, F., Magri, D., 2012. Buxus in Europe: Late Quaternary dynamics and modern vulnerability. Perspectives in plant ecology, evolution and systematics, 14(5): 354-362. DOI: 10.1111/j.2006.0030-1299.14826.x
Lázaro, A., Traveset, A., Castillo, A., 2006. Spatial concordance at a regional scale in the regeneration process of a circum-Mediterranean relict (Buxus balearica): connecting seed dispersal to seedling establishment. Ecography, 29(5): 683-696. DOI: 10.1111/j.2006.0906-7590.04667.x
Lázaro, A., Traveset, A., Méndez, M., 2006. Masting in Buxus balearica: assessing fruiting patterns and processes at a large spatial scale. Oikos, 115(2), 229-240. DOI: 10.1111/j.2006.0030-1299.14826.x
Giovanni Caudullo