J. Therrien

Modes and mechanisms of speciation in pteridophytes : Implications of contrasting patterns in ferns representing temperate and tropical habitats

C. Haufler, E. Hooper, J. Therrien, 2000 .

A New Hybrid Polypodium Provides Insights Concerning the Systematics of Polypodium scouleri and its Sympatric Congeners

P. Hammond, C. Haufler, J. Therrien, 2002 .

MORPHOLOGICAL AND GENETIC VARIATION IN PORELLA PLATYPHYLLA AND P. PLATYPHYLLOIDEA AND THEIR SYSTEMATIC IMPLICATIONS

B. Crandall-Stotler, R. Stotler, J. Therrien, 1998 .

Phylogeny of Selaginellaceae: Evaluation of Generic/Subgeneric Relationships Based on rbcL Gene Sequences

Petra Korall, P. Kenrick, J. Therrien, 1999, International Journal of Plant Sciences.

A total evidence approach to understanding phylogenetic relationships and ecological diversity in Selaginella subg. Tetragonostachys.

Michael S. Barker, C. Anderson, M. Windham, 2013, American journal of botany.