Young AS, Chang SM, Sharitz RR (2007), "Reproductive ecology of a federally endangered legume, Baptisia arachnifera, and its more widespread congener, B. lanceolata (Fabaceae)", Am J Bot, 94 (2): 228–236, doi:10.3732/ajb.94.2.228, PMID21642225
ildis.org
"ILDIS LegumeWeb entry for Baptisia". International Legume Database & Information Service. Cardiff School of Computer Science & Informatics. Retrieved 14 May 2014.
Young AS, Chang SM, Sharitz RR (2007), "Reproductive ecology of a federally endangered legume, Baptisia arachnifera, and its more widespread congener, B. lanceolata (Fabaceae)", Am J Bot, 94 (2): 228–236, doi:10.3732/ajb.94.2.228, PMID21642225