Abstract
Alkane analyses of Arbutus (Ericaceae) leaves of the three species ( A. texana, A. menziesii and A. arizonica) native to the United States show that two morphologically overlapping but allopatric taxa ( A. texana and A. menziesii) have substantially different alkane profiles at the unusually low C., level. These data supply additional evidence supporting continued recognition of them as separate species.
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