@article {4006,
	title = {Darmera, the correct name for Peltiphyllum (Saxifragaceae), and a new combination in Peltophyllum ({\textquoteright}Triuridaceae)},
	journal = {Madrono},
	volume = {24},
	year = {1977},
	month = {1977///},
	pages = {68 - 71},
	author = {Schmid, R. and Turner, M. D.}
}
@article {3982,
	title = {Darmera, the correct name for Peltiphyllum (Saxifragaceae), and a new combination in Peltophyllum (Triuridaceae)},
	journal = {Madrono},
	volume = {24},
	year = {1977},
	month = {1977///},
	pages = {68 - 71},
	author = {Schmid, R. and Turner, M. D.}
}
@article {3435,
	title = {On the genus Pityopus},
	journal = {Madrono},
	volume = {3},
	year = {1935},
	month = {1935///},
	pages = {154 - 168},
	author = {Copeland, H. F.}
}
@article {3072,
	title = {Further studies on Monotropoideae},
	journal = {Madrono},
	volume = {6},
	year = {1941},
	month = {1941///},
	pages = {97 - 119},
	author = {Copeland, H. F.}
}
@article {2809,
	title = {The structure of monotropsis and the classification of the Monotropoideae},
	journal = {Madrono},
	volume = {5},
	year = {1939},
	month = {1939///},
	pages = {105 - 119},
	author = {Copeland, H. F.}
}
