Judd system explained
A 20th-century system of plant taxonomy, the Judd system (1999-2016) of plant classification was drawn up by the American botanist Walter S. Judd (1951-) and collaborators, partially based on APG schemes.
2016 system
Bibliography
- Judd, W., Campbell, C., Kellog, E., Stevens, P. (1999). Plant systematics: a phylogenetic approach. Sinauer Associates.
- Judd, W., Campbell, C., Kellog, E., Stevens, P. (2002). Plant systematics: a phylogenetic approach. 2nd ed. Sinauer Associates.
- Judd, W., Campbell, C., Kellog, E., Stevens, P., Donoghue, M. (2002). Plant systematics: a phylogenetic approach. 3rd ed. Sinauer Associates. . Google Books.
- Judd, W., Campbell, C., Kellog, E., Stevens, P., Donoghue, M. (2016). Plant systematics: a phylogenetic approach. 4th ed. Sinauer Associates. . Sinauer website.