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Strickland, Sam C.
Aristida oligantha Michx.
Prairie threeawn, Oldfield (Prairie) 3-awn, Oldfield threeawn
Poaceae (Grass Family)
Synonym(s): Aristida ramosissima var. chaseana
USDA Symbol: AROL
USDA Native Status: L48 (N), CAN (I)
Bloom InformationBloom Color:
Not Applicable Bloom Time:
Aug , Sep , Oct , Nov Bloom Notes:
(flowers) of grasses are usually so minute that they are not visible to the naked eye. This grass has a purplish panicle
, WY Native Distribution:
Eastern U.S. west to Texas and South Dacota, also Arizona, California and Oregon. Occurs throughout Texas, but is especially common in the prairie regions of central and north Texas. Native Habitat:
Sandy and sandy limestone soil in open areas.
Growing ConditionsLight Requirement: Sun
Soil Moisture: Dry
Soil Description: Sandy soils, also tight clayey soils, prairie regions
Conditions Comments: Oldfield threeawn has some value to protect against soil erosion in loose-soiled areas, but it has almost no value as a forage grass. The seeds can cause trouble by working into the wool of sheep and into the eyes of sheep and cattle.
BenefitUse Wildlife: The plants provide nesting sites and/or material for small fur and game animals.
Use Food: The seeds are food for song birds. The plant is browsed by some hoofed animals.
Use Other: Browsed by some hoofed animals. Some value in protecting against erosion on loose-soiled, disturbed and denuded sites.
Larval Host: The Grass Family is an essential larval food for most branded skippers and most of the satyrs.
Deer Resistant: High
Wildflower Center Seed BankLBJWC-0103
Collected 2007-05-14 in Travis County by Lady Bird Johnson Wildflower Center
Record Last Modified: 2010-08-09
Research By: NPC