Gallery
* Notes: Common names for CFIA weed images from Darbyshire, S. J. 2003. Inventory of Canadian Agricultural Weeds (click here)
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Sorghum bicolor subsp. bicolor
Poaceae
Sorghum bicolor subsp. bicolor
Poaceae
Sorghum bicolor subsp. bicolor variety freed sorgo (Bicolor race) spikelets. The race Bicolor is highly variable in size, shape, and colour. Generally, in the Bicolor race the glumes clasp the caryopsis, which may or may not exceed the length of the glumes at maturity. Scale in mm.
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Sorghum bicolor subsp. bicolor
Poaceae
Sorghum bicolor subsp. bicolor
Poaceae
Sorghum bicolor subsp. bicolor variety feterita (Caudatum race) sessile spikelets in lateral view. Note the strongly arched ‘turtleback’ shape of one side of the caryopsis and nearly flat on the other side is characteristic of the Caudatum race. Scale in mm.
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Sorghum bicolor subsp. bicolor
Poaceae
Sorghum bicolor subsp. bicolor
Poaceae
Sorghum bicolor subsp. bicolor variety feterita (Caudatum race) caryopsis in embryo view (left) and hilum view (right). Note embryo outline usually not visible in this variety. Scale in mm.
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Sorghum bicolor subsp. bicolor
Poaceae
Sorghum bicolor subsp. bicolor
Poaceae
Sorghum bicolor subsp. bicolor variety black hull white kafir (Kafir race) sessile spikelets in lateral view with attached pedicellate spikelets. Scale in mm.
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Sorghum bicolor subsp. bicolor
Poaceae
Sorghum bicolor subsp. bicolor
Poaceae
Sorghum bicolor subsp. bicolor variety black hull white kafir (Kafir race) caryopsis in embryo view and hilum view. Scale in mm.
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Sorghum bicolor subsp. drummondii
Poaceae
Sorghum bicolor subsp. drummondii
Poaceae
Sudan grass (Sorghum bicolor subsp. drummondii); spikelets
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Sorghum bicolor subsp. drummondii
Poaceae
Sorghum bicolor subsp. drummondii
Poaceae
Sorghum bicolor nothosubsp. drummondii (sudangrass) group of spikelets. Scale in mm.
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Sorghum bicolor subsp. drummondii
Poaceae
Sorghum bicolor subsp. drummondii
Poaceae
Sudan grass (Sorghum bicolor subsp. drummondii) spikelet, inner side
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Sorghum bicolor subsp. drummondii
Poaceae
Sorghum bicolor subsp. drummondii
Poaceae
Sorghum bicolor nothosubsp. drummondii (sudangrass) caryopses in embryo view (3 left) and hilum view (far right). Scale in mm.
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Sorghum bicolor subsp. drummondii
Poaceae
Sorghum bicolor subsp. drummondii
Poaceae
Sudan grass (Sorghum bicolor subsp. drummondii) spikelet
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Sorghum bicolor subsp. verticilliflorum
Poaceae
Sorghum bicolor subsp. verticilliflorum
Poaceae
Sorghum bicolor subsp. verticilliflorum (common wild sorghum) sessile spikelets. Scale in mm.
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Sorghum bicolor subsp. verticilliflorum
Poaceae
Sorghum bicolor subsp. verticilliflorum
Poaceae
Sorghum bicolor subsp. verticilliflorum (common wild sorghum) sessile spikelets. Scale in mm.
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Sorghum bicolor subsp. verticilliflorum
Poaceae
Sorghum bicolor subsp. verticilliflorum
Poaceae
Sorghum bicolor subsp. verticilliflorum (common wild sorghum) two sets of sessile and pedicellate spikelets attached by rachis segment. Scale in mm.
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Sorghum bicolor subsp. verticilliflorum
Poaceae
Sorghum bicolor subsp. verticilliflorum
Poaceae
Sorghum bicolor subsp. verticilliflorum (common wild sorghum) close-up image showing short stiff hairs on keels along the lateral nerves of the lower glume.
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Sorghum bicolor subsp. verticilliflorum
Poaceae
Sorghum bicolor subsp. verticilliflorum
Poaceae
Sorghum bicolor subsp. verticilliflorum (common wild sorghum) close-up image showing short stiff hairs on keels along the lateral nerves of the lower glume.
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Sorghum halepense
Poaceae
Sorghum halepense
Poaceae
Johnson grass (Sorghum halepense) spikelets
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Sorghum halepense
Poaceae
Sorghum halepense
Poaceae
Johnson grass (Sorghum halepense) spikelets
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Sorghum halepense
Poaceae
Sorghum halepense
Poaceae
Johnson grass (Sorghum halepense) spikelet, inner side
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Sorghum halepense
Poaceae
Sorghum halepense
Poaceae
Johnson grass (Sorghum halepense) spikelet, outer side
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Sorghum halepense
Poaceae
Sorghum halepense
Poaceae
Johnson grass (Sorghum halepense) spikelet base, inner side
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Sorghum halepense
Poaceae
Sorghum halepense
Poaceae
Johnson grass (Sorghum halepense) spikelet top showing margin teeth
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Sorghum halepense
Poaceae
Sorghum halepense
Poaceae
Johnson grass (Sorghum halepense) caryopsis
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Sorghum halepense
Poaceae
Sorghum halepense
Poaceae
Johnson grass (Sorghum halepense) spikelet (L) and caryopsis (R)
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Sorghum halepense
Poaceae
Sorghum halepense
Poaceae
Sorghum halepense
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Stipa krylovii
Poaceae
Stipa krylovii
Poaceae
Stipa krylovii
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Stipa krylovii
Poaceae
Stipa krylovii
Poaceae
Stipa krylovii
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Stipa krylovii
Poaceae
Stipa krylovii
Poaceae
Stipa krylovii
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Stipa krylovii
Poaceae
Stipa krylovii
Poaceae
Stipa krylovii
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Stipa krylovii
Poaceae
Stipa krylovii
Poaceae
Stipa krylovii
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Stipa krylovii
Poaceae
Stipa krylovii
Poaceae
Stipa krylovii
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Taeniatherum caput-medusae
Poaceae
Taeniatherum caput-medusae
Poaceae
Medusahead rye (Taeniatherum caput-medusae) florets
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Taeniatherum caput-medusae
Poaceae
Taeniatherum caput-medusae
Poaceae
Medusahead rye (Taeniatherum caput-medusae) florets
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Taeniatherum caput-medusae
Poaceae
Taeniatherum caput-medusae
Poaceae
Medusahead rye (Taeniatherum caput-medusae) florets
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Taeniatherum caput-medusae
Poaceae
Taeniatherum caput-medusae
Poaceae
Medusahead rye (Taeniatherum caput-medusae) floret, palea view
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Taeniatherum caput-medusae
Poaceae
Taeniatherum caput-medusae
Poaceae
Medusahead rye (Taeniatherum caput-medusae) floret, top view
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Taeniatherum caput-medusae
Poaceae
Taeniatherum caput-medusae
Poaceae
Medusahead rye (Taeniatherum caput-medusae) florets, lemma view
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Tricitum turgidum subsp.durum
Poaceae
Tricitum turgidum subsp.durum
Poaceae
Durum wheat (Tricitum turgidum subsp.durum)
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Tricitum turgidum subsp.durum
Poaceae
Tricitum turgidum subsp.durum
Poaceae
Durum wheat (Tricitum turgidum subsp.durum)
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Tricitum turgidum subsp.durum
Poaceae
Tricitum turgidum subsp.durum
Poaceae
Durum wheat (Tricitum turgidum subsp.durum)
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Tricitum turgidum subsp.durum
Poaceae
Tricitum turgidum subsp.durum
Poaceae
Durum wheat (Tricitum turgidum subsp.durum)