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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

Helenium (puberulum)

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: Helenium puberulum DC.
Common Name: Rosilla
Species Code: HEPU2
Ecotype: BLM, Seeds of Success, Clear Creek Management Area, alongside Clear Creek, San Benito County, California; 2953 ft. elevation
Propagation Goal: seeds
Propagation Method: seed
ProductType: Propagules (seeds, cuttings, poles, etc.)
Time To Grow: 0
Propagule Collection: Very small lot, 0.05 pounds, hand collected into paper bag.
Propagule Processing: METHOD OF CLEANING: A Hoffman Hand Deawner/Debearder was used to separate seeds from flower heads. Lot was then air-screened using a office Clipper, with a top screen, 1/18 round and a bottom screen, blank, medium speed, low air. Number of Seeds per Pound: 1,564,130, Purity: 71%, X-Ray 100 Seeds: 75% Filled
Harvesting, Storage and Shipping: Storage: Cold Storage, 33-38 Degrees Fahrenheit
Other Comments: Very small lots present a cleaning and testing challenge, results may not be typical.

Citation:

Barner, Jim. 2007. Propagation protocol for production of Propagules (seeds, cuttings, poles, etc.) Helenium puberulum DC. seeds USDA FS - R6 Bend Seed Extractory Bend, Oregon. In: Native Plant Network. URL: https://NativePlantNetwork.org (accessed 2024/07/03). US Department of Agriculture, Forest Service, National Center for Reforestation, Nurseries, and Genetic Resources.