Literature Cited

Angiosperm Phylogeny Group (APG IV). 2016. An update of the Angiosperm Phylogeny Group classification for the orders and families of flowering plants. Botanical Journal of the Linnean Society. 181: 1-20.

Angiosperm Phylogeny Group (APG III).2009. An update of the Angiosperm Phylogeny Group classification for the orders and families of flowering plants. Botanical Journal of the Linnean Society. 161: 105-121.

Angiosperm Phylogeny Group (APG II). 2003. An update of the Angiosperm Phylogeny Group classification for the orders and families of flowering plants. Botanical Journal of the Linnean Society. 141: 399-436.

Angiosperm Phylogeny Group (APG). 1998. An ordinal classification for the families of the flowering plants. Annals of the Missouri Botanical Garden. 85: 531-553.

Pteridophyte Phylogeny Group (PPG). 2016. A community-derived classiﬁcation for extant lycophytes and ferns. Journal of Systematics and Evolution. 54 (6): 563–603

Suculents and cacti in the Desert Room of the SFASU Biology Greenhouse