Zanthoxylum pimpinelloides
- Description of this spiny bush, with photographs of foliage, flowers and fruits.
- http://www.cybertruffle.org.uk/vinales/eng/zanthoxylum_pimpinelloides.htm

Zanthoxylum martinicense
- Description of this spiny-trunked tree, with photographs of foliage, stems, flowers and bark.
- http://www.cybertruffle.org.uk/vinales/eng/zanthoxylum_martinicense_ok.htm

Sichuan Pepper: Zanthoxylum
- Information on the spices prepared from plants of this genus with many photographs of flowers, foliage and seeds.
- http://www.uni-graz.at/~katzer/engl/Zant_pip.html

Zanthoxylum simulans
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- http://florawww.eeb.uconn.edu/acc_num/198501352.html