Use an asterisk ('*') for text or greater than 0 ('>0') for numbers to find all records with an entry in that field: 
Phylogeny species epithet (eg 'emetica') (See help page for drop-down list of phylogeny spp)
Clade number: (eg '30') Limit search to records with sequenced DNA?
Species (Woo's ID) (See help page for drop-down list of Ben Woo spp)
Date (e.g. 1990 or 1990...1993 or >1990 or 09/20/1992)
WTU Accession    Collection number:   (002, 020, or 200, or 025...035
Locale
Province / State (e.g. WA BC OR AK)
Latitude (decimal):    Longitude:   (120...122 or >118)
Latitude: ° ' "     Longitude:  ° ' "
 
Latitude (decimal):    Longitude:   (example finds 120º to 122.0023º West, the Cascades region)