Barnyard Grass, Cock's-Spur Grass (Echinochloa)
Barnyard Grass, Cock's-Spur Grass Genus Details
Barnyard grass is a late blooming weed and a prolific seeder. It is generally found in rich, moist soils. When full grown, this grass stands 2-6 feet tall. Leaves are unequal, alternate and slightly hairy. Barnyard grass has naturalized in the U.S. and was introduced from Europe. Barnyard grass grows in manure piles, waste ground and river banks.
Barnyard Grass, Cock's-Spur Grass Allergy Info
Although the grass family in general is considered significant allergenically, this genus is not typically considered to be problematic.
Barnyard Grass, Cock's-Spur Grass Pollen Description
Grains are spheroidal to ovoidal, sometimes elliptical. The exine is thin and the surface is granular to finely reticuloid. Poaceae apertures are 1-porate, with the pores usually circular to ovoidal.
Grains are 22-122 micrometers in diameter.
This plant belongs to the grass family. All pollen grains in this family are similar to the Poaceae (grass) grain pictured here. Herb. MIN
This plant belongs to the grass family. All pollen grains in this family are similar to the Poaceae (grass) grains pictured here. Herb. MIN
Species in This Genus
Allergenicity Legend:
Mild Allergen | Moderate Allergen | Severe Allergen | Allergy Test Available
Mild Allergen | Moderate Allergen | Severe Allergen | Allergy Test Available
Barnyard Grass, Cock's-Spur Grass (Echinochloa) is a genus of the POACEAE family.
This genus includes the following allergenic species:
This genus includes the following allergenic species: