Holzapfel, S. 1994: A revision of the genus Picris (Asteraceae, Lactuceae) s.l. in Australia. Willdenowia 24(1/2): 97–218.
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| Holzapfel, S. 1994: A revision of the genus Picris (Asteraceae, Lactuceae) s.l. in Australia. Willdenowia 24(1/2): 97–218. |