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Fruits: Polygonum aviculare ; Photo by D. Walters and C. Southwick, Table Grape Weed Disseminule ID Fruits: Polygonum aviculare; Photo by D. Walters and C. Southwick, Table Grape Weed Disseminule ID
Polygonaceae
Fruits: Polygonum aviculare; Photo by D. Walters and C. Southwick, Table Grape Weed Disseminule ID
Fruit: Polygonum aviculare , cross-section of achene; Photo by M. Creller, USDA APHIS PPQ, imageID.idtools.org Fruit: Polygonum aviculare, cross-section of achene; Photo by M. Creller, USDA APHIS PPQ, imageID.idtools.org
Polygonaceae
Fruit: Polygonum aviculare, cross-section of achene; Photo by M. Creller, USDA APHIS PPQ, imageID.idtools.org
Embryo: Polygonum nepalense ; Illustration by K. Parker, Kirkbride et al. (2006) Embryo: Polygonum nepalense; Illustration by K. Parker, Kirkbride et al. (2006)
Polygonaceae
Embryo: Polygonum nepalense; Illustration by K. Parker, Kirkbride et al. (2006)
Fruits: Rumex sp., one fruit with perianth and three loose achenes; Photo by N. Diaz, USDA APHIS PPQ, imageID.idtools.org Fruits: Rumex sp., one fruit with perianth and three loose achenes; Photo by N. Diaz, USDA APHIS PPQ, imageID.idtools.org
Polygonaceae
Fruits: Rumex sp., one fruit with perianth and three loose achenes; Photo by N. Diaz, USDA APHIS PPQ, imageID.idtools.org

Fruits: Rumex acetosella ; Photo by D. Walters and C. Southwick, Table Grape Weed Disseminule ID Fruits: Rumex acetosella; Photo by D. Walters and C. Southwick, Table Grape Weed Disseminule ID
Polygonaceae
Fruits: Rumex acetosella; Photo by D. Walters and C. Southwick, Table Grape Weed Disseminule ID
Embryo: Rumex bequaertii ; Illustration by K. Parker, Kirkbride et al. (2006) Embryo: Rumex bequaertii; Illustration by K. Parker, Kirkbride et al. (2006)
Polygonaceae
Embryo: Rumex bequaertii; Illustration by K. Parker, Kirkbride et al. (2006)
Fruits: Rumex conglomeratus , two labelled fruits with perianth and pedicel attached; Photo by D. Walters and C. Southwick, Table Grape Weed Disseminule ID Fruits: Rumex conglomeratus, two labelled fruits with perianth and pedicel attached; Photo by D. Walters and C. Southwick, Table Grape Weed Disseminule ID
Polygonaceae
Fruits: Rumex conglomeratus, two labelled fruits with perianth and pedicel attached; Photo by D. Walters and C. Southwick, Table Grape Weed Disseminule ID
Fruits: Rumex crispus, four fruits with perianth remains removed and apices pointing up; Photo by D. Walters and C. Southwick, Table Grape Weed Disseminule ID Fruits: Rumex crispus, four fruits with perianth remains removed and apices pointing up; Photo by D. Walters and C. Southwick, Table Grape Weed Disseminule ID
Polygonaceae
Fruits: Rumex crispus, four fruits with perianth remains removed and apices pointing up; Photo by D. Walters and C. Southwick, Table Grape Weed Disseminule ID

Fruit: Rumex crispus ; Photo by D. Walters and C. Southwick, Table Grape Weed Disseminule ID Fruit: Rumex crispus; Photo by D. Walters and C. Southwick, Table Grape Weed Disseminule ID
Polygonaceae
Fruit: Rumex crispus; Photo by D. Walters and C. Southwick, Table Grape Weed Disseminule ID
Fruit, seed, embryo: Rumex hypogaeus , A, Fruit with persistent floral parts; B, fruit with floral parts removed; C, longitudinal section of fruit showing embryo; D, transection of fruit; Illustration by L.E. Chandler Fruit, seed, embryo: Rumex hypogaeus, A, Fruit with persistent floral parts; B, fruit with floral parts removed; C, longitudinal section of fruit showing embryo; D, transection of fruit; Illustration by L.E. Chandler
Polygonaceae
Fruit, seed, embryo: Rumex hypogaeus, A, Fruit with persistent floral parts; B, fruit with floral parts removed; C, longitudinal section of fruit showing embryo; D, transection of fruit; Illustration by L.E. Chandler
Infructescence: Rumex patientia ;nbsp;Photo by R. Culos, eol.org Infructescence: Rumex patientia; Photo by R. Culos, eol.org
Polygonaceae
Infructescence: Rumex patientia; Photo by R. Culos, eol.org
Fruit, embryo: Rumex spinosus , A, Fruit with persistent floral parts; B, fruit with floral parts removed; C, longitudinal section of fruit showing embryo; D, transection of fruit;nbsp;Illustration by L.E. Chandler Fruit, embryo: Rumex spinosus, A, Fruit with persistent floral parts; B, fruit with floral parts removed; C, longitudinal section of fruit showing embryo; D, transection of fruit; Illustration by L.E. Chandler
Polygonaceae
Fruit, embryo: Rumex spinosus, A, Fruit with persistent floral parts; B, fruit with floral parts removed; C, longitudinal section of fruit showing embryo; D, transection of fruit; Illustration by L.E. Chandler

Fruits: Rumex spinosus ; Photo by K.E. Clancy, USDA APHIS PPQ, imageID.idtools.org Fruits: Rumex spinosus; Photo by K.E. Clancy, USDA APHIS PPQ, imageID.idtools.org
Polygonaceae
Fruits: Rumex spinosus; Photo by K.E. Clancy, USDA APHIS PPQ, imageID.idtools.org
Fruits: Rumex stenophyllus , with and without persistent perianth; Photo by A. Zharkikh, eol.org Fruits: Rumex stenophyllus, with and without persistent perianth; Photo by A. Zharkikh, eol.org
Polygonaceae
Fruits: Rumex stenophyllus, with and without persistent perianth; Photo by A. Zharkikh, eol.org
Fruit, seeds: Eichhornia crassipes ; Photo by R. Gibbons, USDA APHIS PPQ, Kirkbride et al. (2006) Fruit, seeds: Eichhornia crassipes; Photo by R. Gibbons, USDA APHIS PPQ, Kirkbride et al. (2006)
Pontederiaceae
Fruit, seeds: Eichhornia crassipes; Photo by R. Gibbons, USDA APHIS PPQ, Kirkbride et al. (2006)
Seeds: Eichhornia crassipes ; Photo by R. Gibbons, USDA APHIS PPQ, Kirkbride et al. (2006)

Seeds: Eichhornia crassipes; Photo by R. Gibbons, USDA APHIS PPQ, Kirkbride et al. (2006)
Pontederiaceae

Seeds: Eichhornia crassipes; Photo by R. Gibbons, USDA APHIS PPQ, Kirkbride et al. (2006)


Seeds: Eichhornia azura ; Photo by J. Scher, Federal Noxious Weed Disseminules of the US Seeds: Eichhornia azura; Photo by J. Scher, Federal Noxious Weed Disseminules of the US
Pontederiaceae
Seeds: Eichhornia azura; Photo by J. Scher, Federal Noxious Weed Disseminules of the US
Seeds: Eichhornia azura ; Photo by J. Scher, Federal Noxious Weed Disseminules of the US Seeds: Eichhornia azura; Photo by J. Scher, Federal Noxious Weed Disseminules of the US
Pontederiaceae
Seeds: Eichhornia azura; Photo by J. Scher, Federal Noxious Weed Disseminules of the US
Embryo: Eichornia azurea ; Illustration by K. Parker, Kirkbride et al. (2006)

Embryo: Eichornia azurea; Illustration by K. Parker, Kirkbride et al. (2006)
Pontederiaceae

Embryo: Eichornia azurea; Illustration by K. Parker, 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)
Pontederiaceae

Seed, embryo: Eichhornia azurea (A, seed; B, embryo in situ; C, transection of seed); Illustration by L.E. Chandler from Gunn and Ritchie (1988)


Seeds: Heteranthera limosa ; Photo by J. Scher, Federal Noxious Weed Disseminules of the US Seeds: Heteranthera limosa; Photo by J. Scher, Federal Noxious Weed Disseminules of the US
Pontederiaceae
Seeds: Heteranthera limosa; Photo by J. Scher, Federal Noxious Weed Disseminules of the US
Fruit: Monochoria vaginalis ; Photo by R. Gibbons, USDA APHIS PPQ, Kirkbride et al. (2006)

Fruit: Monochoria vaginalis; Photo by R. Gibbons, USDA APHIS PPQ, Kirkbride et al. (2006)
Pontederiaceae

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

Fruits: Monochoria vaginalis; Photo by J. Scher, Federal Noxious Weed Disseminules of the US
Pontederiaceae

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)

Seeds: Monochoria vaginalis; Photo by R. Gibbons, USDA APHIS PPQ, Kirkbride et al. (2006)
Pontederiaceae

Seeds: Monochoria vaginalis; Photo by R. Gibbons, USDA APHIS PPQ, Kirkbride et al. (2006)


Seeds: Monochoria vaginalis ; Photo by J. Scher, Federal Noxious Weed Disseminules of the US Seeds: Monochoria vaginalis; Photo by J. Scher, Federal Noxious Weed Disseminules of the US
Pontederiaceae
Seeds: Monochoria vaginalis; Photo by J. Scher, Federal Noxious Weed Disseminules of the US
Embryo: Monochoria vaginalis ; Illustration by K. Parker, Kirkbride et al. (2006)

Embryo: Monochoria vaginalis; Illustration by K. Parker, Kirkbride et al. (2006)
Pontederiaceae

Embryo: Monochoria vaginalis; Illustration by K. Parker, 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)
Pontederiaceae

Seed, embryo: Monochoria vaginalis (A, seed; B, embryo in situ; C, transection of seed); Illustration by L.E. Chandler from Gunn and Ritchie (1988)

Seeds: Monochoria hastata ; Photo by J. Scher, Federal Noxious Weed Disseminules of the US Seeds: Monochoria hastata; Photo by J. Scher, Federal Noxious Weed Disseminules of the US
Pontederiaceae
Seeds: Monochoria hastata; Photo by J. Scher, Federal Noxious Weed Disseminules of the US

Seeds:  Monochoria hastata ; Photo by J. Scher, Federal Noxious Weed Disseminules of the US Seeds: Monochoria hastata; Photo by J. Scher, Federal Noxious Weed Disseminules of the US
Pontederiaceae
Seeds: Monochoria hastata; Photo by J. Scher, Federal Noxious Weed Disseminules of the US
Embryo: Monochoria hastata ; Illustration by K. Parker, Kirkbride et al. (2006)

Embryo: Monochoria hastata; Illustration by K. Parker, Kirkbride et al. (2006)
Pontederiaceae

Embryo: Monochoria hastata; Illustration by K. Parker, Kirkbride et al. (2006)

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)
Pontederiaceae

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,nbsp;USDA APHIS PPQ, Kirkbride et al. (2006)

Fruit: Pontederia cordata; Photo by R. Gibbons, USDA APHIS PPQ, Kirkbride et al. (2006)
Pontederiaceae

Fruit: Pontederia cordata; Photo by R. Gibbons, USDA APHIS PPQ, Kirkbride et al. (2006)