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Family: scrophulariaceae
Common name(s): woolly mullein
Synonym(s): Verbascum thapsiforme
Hardiness ratings: USDA zone 3~5 - 9 
General resources
- Wikipedia. Online encyclopedia entry (if defined).
- Google images. Web search for photographs.
- GRIN. Taxonomical details, with common names, distribution, and synonyms.
- The Plant List. Taxonomical lookup
Links for Verbascum densiflorum
- All Things Plants - Community-assembled plant profile
 (4 photos)
- Dave's Garden PlantFiles - Profile page with horticultural basics, and member-contributed photos and comments. (zone 3-9) (1 photo)
- Denver Botanic Gardens - Description, native range, and cultural requirements. (zone 5)
- Rob's Plants - Plant profile with basic horticultural information and often personal observations. Also seed germination records. (2 photos)
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