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') Clade number (eg '30') : Limit search to records with sequenced DNA?
Species (Woo's ID) (See help page for drop-down lists)
Chemical
Formaldehyde
 Pdab on stipe*
 Guaiacol
 Phenol-aniline
Guaiac tincture
 Anilin oil
 Sulfo-formol
 Phenol
FeSO4
 Alpha-Naphthol
 Sulfo-vanillin
recode: 		Cystidia in SV