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The Forest Service National Center for Reforestation, Nurseries, and Genetic Resources (RNGR) is a leading source of technical information for nurseries and land managers regarding production and planting of trees and other native plants for reforestation, restoration, and conservation.

 
NPN Protocol Details Image

Elymus (elymoides)

Jim Barner
Seed Extractory Manager
USDA FS - R6 Bend Seed Extractory
63095 Deschutes Market Rd.
Bend, Oregon 97701
541-383-5481
541-383-5498 (fax)
jbarner@fs.fed.us
http://fsweb-ochdes.r6.fs.fed.us/seedextractory/ex
Family Scientific Name: Poaceae
Family Common Name: Grass family
Scientific Name: Elymus elymoides (Raf.) Swezey
Common Name: Squirreltail
Species Code: ELEL5
Ecotype: USFS, Fremont-Winema National Forest, Bly Ranger District, Bly Oregon: 5500 ft. elevation
Propagation Goal: seeds
Propagation Method: seed
ProductType: Propagules (seeds, cuttings, poles, etc.)
Time To Grow: 0
Propagule Collection: Large lot, 38 pounds, hand collected into paper yard bags.
Propagule Processing: METHOD OF CLEANING: Seed lot is first processed, to remove seed from stems and deawn, using a Westrup Model HA 400 brush machine, with 3 row brushes, a #18 mantel with pins (to prevent clogging and keep the lot moving through the machine), at medium speed. Seed was then air-screened, to remove chaff and inert material, using a Clipper Eclipse, Model 324, with a top screen: 1/18 x 1/4 slot, 2nd screen: 1/18 x 1/4 slot and bottom screen: 1/25 round or blank, medium speed and medium air. Number of Seeds per Pound: 150,200, Purity: 98%, X-Ray 100 Seeds: 95% Filled
Harvesting, Storage and Shipping: Storage: Freezer Storage
Other Comments: Squirreltail is a challenge to clean due to long reflexed awns, which aid in dispersal, that make this seed "flighty" and difficult to feed into the brush machine.

Citation:

Barner, Jim. 2009. Propagation protocol for production of Propagules (seeds, cuttings, poles, etc.) Elymus elymoides (Raf.) Swezey seeds USDA FS - R6 Bend Seed Extractory Bend, Oregon. In: Native Plant Network. URL: https://NativePlantNetwork.org (accessed 2025/04/27). US Department of Agriculture, Forest Service, National Center for Reforestation, Nurseries, and Genetic Resources.