Amaranthaceae
Fruits, seed:Ceratocarpus arenarius, utricles enclosed in bracteoles, single seed; Photo by M. Maher, USDA APHIS PPQ ITP, imageID.idtools.org
Amaranthaceae
Fruits:Chenopodium album, one fruit with calyx still attached and two fruits (inset) with calyces removed; Photo by D. Walters and C. Southwick, Table Grape Weed Disseminule ID
Amaranthaceae
Fruits: Chenopodium quinoa, utricles with various pericarp colors (brown, light brown, pink, white); the enclosed seeds also with variously-colored testae (brown, white, black); Photo by M. Maher, USDA APHIS PPQ ITP, imageID.idtools.org
Amaranthaceae
Seeds:Pupalia lappacea, seed with testa (left); seed with testa partially removed, with radicle (right); Photo by A. Margina, USDA APHIS PPQ, imageID.idtools.org