grass genera iii grasses with panicoid spikelets (beadlike in appearance)
DESCRIPTION
“PANICOID SPIKELET”TRANSCRIPT
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GRASS GENERA IIIGrasses with Panicoid Spikelets (Beadlike in Appearance)
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“PANICOID SPIKELET”
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A) Spikelets with Spines or Bristles
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Echinochloa (Barnyard Grass)
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Echinochloa
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Echinochloa
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Setaria (Bristlegrass; Foxtail grass)
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Setaria
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* Setaria pumila(Yellow Bristlegrass)
* Setaria viridis(Green Bristlegrass)
Introduced Setaria
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Setaria grisebachii(Grisebach’s Bristlegrass)
Setaria leucopila(Streambed Bristlegrass)
Native Setaria
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Setaria or Polypogon?
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Setaria versus Polypogon
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Cenchrus (Sandbur)
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Cenchrus (Sand-Bur)
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B) Panicoid Grasses Lacking Spines or BristlesFirst Glume Minute (< .5 mm long)
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Digitaria (Crabgrass)
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Digitaria
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Digitaria sanguinalis (Hairy Crabgrass)Digitaria ischaemum (Smooth Crabgrass)
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Digitaria californica (Arizona Cottontop)
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Digitaria Look-Alikes
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Digitaria vs. Cynodon vs. Chloris
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Eriochloa (Cupgrass)
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Paspalum (Knotgrass)
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Paspalum (Knotgrass)
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Paspalum distichum (Knotgrass)
• Wetlands, Riparian Edge Habitat
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C) Panicoid Grasses Lacking Spines or BristlesFirst Glume Conspicuous (> .5 mm long)
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Panicum – Perennial Species
Panicum obtusum (vine mesquite)
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Panicum – Perennial Species
Panicum bulbosum (Bulb Panicum)
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Panicum capillare (Fall Witch Grass)
Panicum – Annual Species
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PANICOID GRASSES
A) Spikelets with Spines or Bristles: Echinochloa, Setaria, Cenchrus
B) Spikelets Lacking Spines or Bristles; First Glume Minute: Digitaria, Eriochloa, Paspalum
C) Spikelets Lacking Spines or Bristles; First Glume Conspicuous: Panicum