Nels R. Lersten

• Flowering Plant Embryology
• Anatomical and chromosomal observations on Orthoclada laxa (Centotheceae; Gramineae)
• Comparative morphology of the lens on legume (Fabaceae) seeds, with emphasis on species in subfamilies Caesalpinioideae and Mimosoideae
• Testa characters in tribe Vicieae, with notes about tribes Abreae, Cicereae, and Trifolieae (Fabaceae)
• The morphology and toxicology of plant stinging hairs