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 Solanum ptychanthum
All Things Plants
- Community-assembled plant profile
- Informative illustrated page with description and cultivation details, also covering range and faunal associations.
Lady Bird Johnson Wildflower Center
- Plant description and characteristics with notes on distribution, culture, and propagation.
Native Plants of Central Texas
- Photos with brief comments from University of Texas at Austin.
27 May 2017