Cassingham KM, Sills EO, Pattanayak SK, Mansfield CA. Voluntary conservation of North Carolina's natural heritage. J For. 2002;100(5):16-23.
Nicholls TJ, Green KL, Cook DJ, Rogers DJ, Wolowacz SE, Smart JD. An investigation of lectins for use in ophthalmic drug delivery. Int J Pharm. 1996;138(2):175-83.