Crow, William T. 2013. “Spiral Nematode, Helicotylenchus Pseudorobustus (Steiner, 1941) Golden, 1956 (Nematoda: Tylenchida: Hoplolaimidae): EENY544/IN973, 1/2013”. EDIS 2013 (1). Gainesville, FL. https://doi.org/10.32473/edis-in973-2013.