- Credited authors
- Luna, Tara; Dedekam, Sara.
- Organization
- USDI NPS - Glacier National Park West Glacier, Montana
- Record year
- 2008
- Propagation method
- seed
- Product type
- Container (plug)
- Seed origin
- Many Glacier Valley
- Stock type
- 160 ml (7.0 cu.in)
- Reported growing time
- 6 Months Months
Arnica sororia (Twin arnica) — propagation references
Propagation method: seed; Plant family: Asteraceae. Find the plant identity and credited nursery records together. Follow the original protocol for the full method and its growing conditions.
Common nameTwin arnica
Record year2004
- Scientific name
- Arnica sororia
- Common name
- Twin arnica
- Plant family
- Asteraceae
Documented protocol references
Each entry describes a particular nursery record. Follow its source link for the complete growing procedure.
- Credited authors
- Skinner, David M,.
- Organization
- USDA NRCS - Pullman Plant Materials Center Pullman, Washington
- Record year
- 2004
- Propagation method
- seed
- Product type
- Container (plug)
- Seed origin
- Pullman area, Paradise Creek drainage
- Stock type
- Not included in this summary; see original
- Reported growing time
- 6 Months Months
Sources & dates
Source checked 2026-10-10. Source conditions and dates matter; this archive does not imply publisher endorsement.