Magrath, Lawrence K., USAO (OCLA) Herbarium

• Oklahoma Native Plant Record Vol. 1 No. 1 (2001): Oklahoma Native Plant Record - Articles
  Native Orchids of Oklahoma
  Abstract  PDF
• Oklahoma Native Plant Record Vol. 1 No. 1 (2001): Oklahoma Native Plant Record - Articles
  Galium parisiense var. leiocarpum Tausch, New for Oklahoma
  Abstract  PDF