Murphy, Helen T., VanDerWal, Jeremy, and Lovett-Doust, Jon (2011) One, two and three-dimensional geometric constraints and climatic correlates of North American tree species richness. Ecography, 34 (2). pp. 267-275.

Murphy, Helen T., VanDerWal, Jeremy, and Lovett-Doust, Jon (2010) Signatures of range expansion and erosion in eastern North American trees. Ecology Letters, 13 (10). pp. 1233-1244.

VanDerWal, Jeremy, Murphy, Helen T., and Lovett-Doust, Jon (2008) Three-dimensional mid-domain predictions: geometric constraints in North American amphibian, bird, mammal and tree species richness patterns. Ecography, 31 (4). pp. 435-449.

Murphy, Helen T., VanDerWal, Jeremy, and Lovett-Doust, Jon (2006) Distribution of abundance across the range in eastern North American trees. Global Ecology and Biogeography , 15 (1). pp. 63-71.