Terry A. Hedderson

A morphometric analysis of the Cimicifuga foetida L. complex (Ranunculaceae)

T. Hedderson, James A. Compton, Terry A. Hedderson, 1997 .

Chenia Ruigtevleia (Pottiaceae), a New Moss Species from The Western Cape Province of South Africa

Richard H. Zander, Terry A. Hedderson, 2008 .

A proposal for a standardised protocol to barcode all land plants

Mark W. Chase, Kenneth M. Cameron, Ole Seberg, 2007 .