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