Pilosocereus site characteristics and population numbers 1994–2011 in the Florida Keys. At US Fish and Wildlife Service request, sites are identified by acronyms only.

Elevation was calculated from LIDAR data provided by Zhang (unpublished); means ±1 S.E. are presented.∧Indicates privately owned land; all other sites are public lands.*We did not receive permission to survey this private property in this year. Note that KL population is P. bahamensis, while the others are P. robinii. NS = Not Surveyed.