. . "Indigofera macrocalyx" . . . "Indigofera fruticosa" . . . "Indigo plant" . . . . "Indigo" . "Indigofera procumbens" . . . "Indigofera heterotricha" . . . "indigo plant" . . . . . "several plant species" . . . . "Indigofera baileyi" . "Indigofera" . . . "Indigofera simplicifolia" . . "*" . . "Indigofera rhytidocarpa" . "Indigofera" . "Indigofera zeyheri" . "Indigofera emmae" . . "''Indigofera''" . . . . . . "Indigofera alopecuroides" . "Indigofera woodii" . . . . "indigo" . "Indigofera sessiliflora" . . "Indigofera zollingeriana" . . . "indigofera" . . . . . .