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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

Carex (luzulina)

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: Cyperaceae
Family Common Name: Sedge family
Scientific Name: Carex luzulina Olney
Common Name: Woodrush sedge
Species Code: CALU7
Ecotype: USFS, Fremont-Winema National Forest, Chiloquin Ranger District, 450 Spring, Chiloquin, Oregon: 5700 ft. elevation
Propagation Goal: seeds
Propagation Method: seed
ProductType: Propagules (seeds, cuttings, poles, etc.)
Time To Grow: 0
Propagule Collection: Very small lot, 0.085 pounds, hand collected into paper bag.
Propagule Processing: METHOD OF CLEANING: Seed lot is first processed (rubbed) by hand, using gloves, to remove seed from flower heads. A Laboratory Test Sieve, mesh size 18, is used next to remove stems and non seed material. Seed is then air-screened, to remove remaining nonviable seed and inert material, using an office Clipper, top screen: 1/18 round and a bottom screen: blank, medium speed, and low to medium air. Number of Seeds per Pound: 945,000, Purity: 98%, X-Ray 100 Seeds: 94% Filled, TZ: 93% (Oregon State University Seed Laboratory Analysis)
Harvesting, Storage and Shipping: Storage: Cold Storage, 33-38 Degrees Fahrenheit
Other Comments: Very small seed lots present a cleaning and testing challenge. Different types of equipment, designed for smaller lots, are used.

Citation:

Barner, Jim. 2009. Propagation protocol for production of Propagules (seeds, cuttings, poles, etc.) Carex luzulina Olney seeds USDA FS - R6 Bend Seed Extractory Bend, Oregon. In: Native Plant Network. URL: https://NativePlantNetwork.org (accessed 2025/04/24). US Department of Agriculture, Forest Service, National Center for Reforestation, Nurseries, and Genetic Resources.