http://www.photobiology.com/photoiupac2000/alp/ (http://www.photobiology.com/photoiupac2000/alp/)
http://www.botgard.ucla.edu/html/MEMBGNewsletter/Volume5number2/Styraxofficinalis.html (http://www.botgard.ucla.edu/html/MEMBGNewsletter/Volume5number2/Styraxofficinalis.html)
http://www.calacademy.org/research/botany/wildflow/names/051864.htm (http://www.calacademy.org/research/botany/wildflow/names/051864.htm)
http://131.152.161.2/bilder/35/y/3563.jpg (http://131.152.161.2/bilder/35/y/3563.jpg)
http://www.biologie.uni-ulm.de/systax/dendrologie/styraoffw.jpg (http://www.biologie.uni-ulm.de/systax/dendrologie/styraoffw.jpg)
http://www.botany.hawaii.edu/faculty/carr/images/sty_off_mid.jpg (http://www.botany.hawaii.edu/faculty/carr/images/sty_off_mid.jpg)