Set up your enviro:

mkdir ~/perllib ; cd ~/perllib perl -Mlocal::lib=./ ; eval $(perl -Mlocal::lib=./)

lib/ lib/FungiDB lib/FungiDB/Source - .pm for each source Sources describe how to fetch data from them. lib/FungiDB/Organism - pm for each organism Organisms know their source and any special attributes about their data.