@article {5550, title = {Taxonomic notes on Mesoamerican Annona Section Atta (Annonaceae), including Annona pruinosa sp. nov}, journal = {NovonNovon}, volume = {2}, year = {1992}, note = {010}, pages = {249-251}, author = {Schatz, G. E.} } @article {5551, title = {A new Xylopia (Annonaceae) from Panama}, journal = {NovonNovon}, volume = {3}, year = {1993}, note = {206}, pages = {475-477}, author = {Schatz, G. E.} } @article {5552, title = {New species of Sapranthus B.C.Seemann and Unonopsis R.E.Fries (Annonaceae) from Mesoamerica}, journal = {NovonNovon}, volume = {8}, year = {1998}, note = {174, 196}, pages = {436-440}, author = {Schatz, G. E.} }