The National Biological Information Infrastructure (NBII) Home Page
The National Biological Information Infrastructure (NBII) is a broad, collaborative program to provide increased access to data and information on the nation's biological resources. ...
www.nbii.gov/   reviews

The FGDC Biological Metadata Profile
The FGDC Biological Metadata Profile.
biology.usgs.gov/fgdc.bio/metaprof.html   reviews