# compute the mean of the corner coordinates
"inputGenus      family
  Abarema    Fabaceae
  Amaioua   Rubiaceae
  Amphirrhox    Violaceae"
"inputGenus      family      order
  Abarema  Fabaceae      Fabales
  Amaioua Rubiaceae  Gentianales
  Amphirrhox Violaceae Malpighiales"
"+proj=utm +zone=22 +north +ellps=WGS84 +datum=WGS84 +units=m +no_defs"