Verbatim text: Hood, J. L. A. and J. C. Semple. 2003. Pappus variation in Solidago (Asteraceae: Astereae). Sida 20: 1617–1630.
Author: Hood, J.L.A., Semple, J.C.
Year: 2003
Title: Pappus variation in Solidago (Asteraceae: Astereae)
Journal: Sida
Volume: 20
Pages: 1617–1630