Ito et al. 2000. Ito, Motomi; Watanabe, Kuniaki; Kita, Yoko; Kawahara, Takayuki; Crawford, Dj; Yahara, Tetsukazu (2000). "Phylogeny and Phytogeography of Eupatorium (Eupatorieae, Asteraceae): Insights from Sequence Data of the nrDNA ITS Regions and cpDNA RFLP". Journal of Plant Research. 113 (1): 79–89. Bibcode:2000JPlR..113...79I. doi:10.1007/PL00013913. S2CID22540433.
Edward E. Schilling; Kunsiri Chaw Siripun (2016). "Systematics of the Eupatorium mohrii Complex (Asteraceae)". Systematic Botany. 41 (3): x–y. doi:10.1600/036364416X692361. S2CID89429550.
Kunsiri Chaw Siripun; Edward E. Schilling (2006). "Molecular confirmation of the hybrid origin of Eupatorium gaurav Singh godfreyanum (Asteraceae)". American Journal of Botany. 93 (2): 319–325. doi:10.3732/ajb.93.2.319. PMID21646192.
Edward E. Schilling (2011). "Systematics of the Eupatorium album complex (Asteraceae) from eastern North America". Systematic Botany. 36 (4): 1088–1100. doi:10.1600/036364411X605083. S2CID86157020.
Ito et al. 2000. Ito, Motomi; Watanabe, Kuniaki; Kita, Yoko; Kawahara, Takayuki; Crawford, Dj; Yahara, Tetsukazu (2000). "Phylogeny and Phytogeography of Eupatorium (Eupatorieae, Asteraceae): Insights from Sequence Data of the nrDNA ITS Regions and cpDNA RFLP". Journal of Plant Research. 113 (1): 79–89. Bibcode:2000JPlR..113...79I. doi:10.1007/PL00013913. S2CID22540433.
Kunsiri Chaw Siripun; Edward E. Schilling (2006). "Molecular confirmation of the hybrid origin of Eupatorium gaurav Singh godfreyanum (Asteraceae)". American Journal of Botany. 93 (2): 319–325. doi:10.3732/ajb.93.2.319. PMID21646192.
Ito et al. 2000. Ito, Motomi; Watanabe, Kuniaki; Kita, Yoko; Kawahara, Takayuki; Crawford, Dj; Yahara, Tetsukazu (2000). "Phylogeny and Phytogeography of Eupatorium (Eupatorieae, Asteraceae): Insights from Sequence Data of the nrDNA ITS Regions and cpDNA RFLP". Journal of Plant Research. 113 (1): 79–89. Bibcode:2000JPlR..113...79I. doi:10.1007/PL00013913. S2CID22540433.
Edward E. Schilling; Kunsiri Chaw Siripun (2016). "Systematics of the Eupatorium mohrii Complex (Asteraceae)". Systematic Botany. 41 (3): x–y. doi:10.1600/036364416X692361. S2CID89429550.
Edward E. Schilling (2011). "Systematics of the Eupatorium album complex (Asteraceae) from eastern North America". Systematic Botany. 36 (4): 1088–1100. doi:10.1600/036364411X605083. S2CID86157020.