" Version: 27 April 2006. http://delta-intkey.com* Liliaceae in "Flora of North America"* NCBI Taxonomy Browser sensu stricto* links at CSDL, Texas
" Version: 27 April 2006. http://delta-intkey.com* Liliaceae in "Flora of North America"* NCBI Taxonomy Browser sensu stricto* links at CSDL, Texas