3 books • 1 series
Book #24: Systematics of Oenothera Section Oenothera Subsection Raimannia & Subsection Nutantigemma (Onagraceae)
Book #34: Systematics of Epilobium (Onagraceae) in China
Book #50: Systematics of Oenothera Section Oenothera Subsection Oenothera (Onagraceae)