Verbatim text: Dewey, D.R. and A.H. Holmgren. 1962. Natural hybrids of Elytnus cinereus and Sitanion hystrix. Bull. Torrey Bot. Club 89:217-228
Author: Dewey, D.R., Holmgren, A.H.
Year: 1962
Title: Natural hybrids of Elytnus cinereus and Sitanion hystrix
Journal: Bull. Torrey Bot. Club
Volume: 89
Pages: 217–228