Figure 17. Panel "b": Displays of distributions for P. edulis, P. engelmannii, P. banksiana, and P. clausa in relation to single climatic or bioclimatic variables. Ann, mean annual; Jan, mean January; Jul, mean July. The upper row of dots within each horizontal box (for example, for mean annual temperature under Pinus edulis) represent grid points where the taxon is present. The lower row represents grid points where it is absent.
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