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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

Pleiacanthus (spinosus)

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: Asteraceae
Family Common Name: Aster family
Scientific Name: Pleiacanthus spinosus (Nutt.) Rydb.
Common Name: Thorn skeletonweed
Species Code: PLSP7
Ecotype: BLM, Burns District, Hines, Oregon
Propagation Goal: seeds
Propagation Method: seed
ProductType: Propagules (seeds, cuttings, poles, etc.)
Time To Grow: 0
Propagule Collection: Very small lot, 0.025 pounds, hand collected into cloth bag.
Propagule Processing: METHOD OF CLEANING: Seed cleaned using a Hoffman Hand Deawner/Debearder. Lot was then air-screened using a office Clipper, with no top screen and a bottom screen, blank, medium speed, medium air. Number of Seeds per Pound: 294,540, Purity: 97%, X-Ray 100 Seeds: 83% Filled
Harvesting, Storage and Shipping: Storage: Cold Storage, 33-38 Degrees Fahrenheit

Citation:

Barner, Jim. 2007. Propagation protocol for production of Propagules (seeds, cuttings, poles, etc.) Pleiacanthus spinosus (Nutt.) Rydb. seeds USDA FS - R6 Bend Seed Extractory Bend, Oregon. In: Native Plant Network. URL: https://NativePlantNetwork.org (accessed 2025/02/24). US Department of Agriculture, Forest Service, National Center for Reforestation, Nurseries, and Genetic Resources.