Seeds: Eichhornia crassipes; Photo by R. Gibbons, USDA APHIS PPQ, Kirkbride et al. (2006)
Seed, embryo: Eichhornia azurea (A, seed; B, embryo in situ; C, transection of seed); Illustration by L.E. Chandler from Gunn and Ritchie (1988)
Seed, embryo: Eichhornia azurea (A, seed; B, embryo in situ; C, transection of seed); Illustration by L.E. Chandler from Gunn and Ritchie (1988)
Fruit: Monochoria vaginalis; Photo by R. Gibbons, USDA APHIS PPQ, Kirkbride et al. (2006)
Fruits: Monochoria vaginalis; Photo by J. Scher, Federal Noxious Weed Disseminules of the US
Seeds: Monochoria vaginalis; Photo by R. Gibbons, USDA APHIS PPQ, Kirkbride et al. (2006)
Seed, embryo: Monochoria vaginalis (A, seed; B, embryo in situ; C, transection of seed); Illustration by L.E. Chandler from Gunn and Ritchie (1988)
Seed, embryo: Monochoria vaginalis (A, seed; B, embryo in situ; C, transection of seed); Illustration by L.E. Chandler from Gunn and Ritchie (1988)
Seed, embryo: Monochoria hastata (A, seed; B, embryo in situ; C, transection of seed); Illustration by L.E. Chandler from Gunn and Ritchie (1988)
Seed, embryo: Monochoria hastata (A, seed; B, embryo in situ; C, transection of seed); Illustration by L.E. Chandler from Gunn and Ritchie (1988)
Fruit: Pontederia cordata; Photo by R. Gibbons, USDA APHIS PPQ, Kirkbride et al. (2006)
Seeds: Pontederia cordata; Photo by R. Gibbons, USDA APHIS PPQ, Kirkbride et al. (2006)
Fruit: Posidonia australis, with calyx; Photo by R. Gibbons, USDA APHIS PPQ, Kirkbride et al. (2006)
Fruit: Posidonia australis, with calyx; Photo by R. Gibbons, USDA APHIS PPQ, Kirkbride et al. (2006)
Fruit: Posidonia australis; Photo by R. Gibbons, USDA APHIS PPQ, Kirkbride et al. (2006)