Gallery

Infructescence: Acorus calamus; Photo by R. Gibbons, USDA APHIS PPQ, Kirkbride et al. (2006)

Fruits: Acorus calamus; Photo by R. Gibbons, USDA APHIS PPQ, Kirkbride et al. (2006)

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

Embryo: Acorus calamus; Illustration by K. Parker, Kirkbride et al. (2006)

Infructescence: Acorus gramineus; Photo by S.L. Winterton, Aquarium and Pond Plants of the World

Inflorescence: Acorus sp.; Photo by S.L. Winterton, Aquarium and Pond Plants of the World

Fruit: Acorus calamus; (4, 6, young fruit); Illustration by W. Müller, Köhler's Medizinal Pflanzen (1887), courtesy of Biodiversity Heritage Library

Infructescence, fruits: Alisma plantago-aquatica; USDA APHIS PPQ, Kirkbride et al. (2006)

Seeds: Alisma plantago-aquatica; Photo by South Australian Seed Conservation Centre, used with permission

Infructescence, fruits: Alisma oligococca; Photo by R. Gibbons, USDA APHIS PPQ, Kirkbride et al. (2006)

Seed: Alisma oligococca; Photo by R. Gibbons, USDA APHIS PPQ, Kirkbride et al. (2006)

Infructescence, fruits: Damasonium californicum; Photo by R. Gibbons, USDA APHIS PPQ, Kirkbride et al. (2006)

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

Infructescences: Damasonium minus; Photo by South Australian Seed Conservation Centre, used with permission

Fruits: Damasonium minus; Photo by South Australian Seed Conservation Centre, used with permission

Embryo: Damasonium minus; Illustration by K. Parker, Kirkbride et al. (2006)

Infructescence: Echinodorus tenellus; Photo by R. Gibbons, USDA APHIS PPQ, Kirkbride et al. (2006)

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

Infructescence: Echinodorus berteroi; Photo by M. Maher, USDA APHIS PPQ ITP, imageID.idtools.org

Fruits: Echinodorus berteroi; Photo by M. Maher, USDA APHIS PPQ ITP, imageID.idtools.org

Fruit: Echinodorus berteroi; Photo by M. Maher, USDA APHIS PPQ ITP, imageID.idtools.org

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

Embryo: Limnocharis flava; Illustration by K. Parker, Kirkbride et al. (2006)

Fruits: Sagittaria teres; Photo by R. Gibbons, USDA APHIS PPQ, Kirkbride et al. (2006)

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

Fruits: Sagittaria latifolia; Photo by D. Walters and C. Southwick, Table Grape Weed Disseminule ID

Fruit: Sagittaria latifolia; Photo by D. Walters and C. Southwick, Table Grape Weed Disseminule ID