I do exactly what you are describing with a Pharos 565 PDA and Arcpad. I work for Chadwick Arboretum at The Ohio State University, and the primary focus is accessions (collection records). However, we also record genus, species, D.B.H., cultivar etc. The location, diameter, and species information can be imported to the iTree Eco model to calculate their "value" in terms of annual ecological benefits.
... View more