1. A new fertile lycopod from the Lower Carboniferous of Scotland;Alvin;Paleontology,1965
2. Leclercqia complexa gen. et sp. nov., a new lycopod from the Late Middle Devonian of eastern New York;Banks;Review of Palaeobotany and Palynology,1972
3. Morphometric reconstruction, paleobiology and phylogeny of Oxroadia gracilis Alvin emend. and O. conferta sp. nov.: anatomically preserved rhizomorphic lycopsids from the Dinantian of Oxroad Bay, SE Scotland;Bateman;Palaeontographica,1992
4. Experimental cladistic analysis of anatomically preserved arborescent lycopsids from the Carboniferous of Euramerica: an essay on paleobotanical phylogentics;Bateman;Annals of the Missouri Botanical Garden,1992