Rob's Plant Links
. Online encyclopedia entry (if defined).
. Web search for photographs.
. Taxonomical details, with common names, distribution, and synonyms.
The Plant List
. Taxonomical lookup
. Search the extensive PlantFiles database.
Links for Penstemon wilcoxii
American Penstemon Society
- Detailed description of the species' botanical characteristics, habitat, and native range.
Lady Bird Johnson Wildflower Center
- Plant description and characteristics with notes on distribution, culture, and propagation.
Ontario Rock Garden Society
- Germination information
- Plant profile with basic horticultural information and often personal observations. Also seed germination records.
02 Jul 2017