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Center for Plant Conservation http://www.mobot.org
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Control of Pennisetum setaceum (Forssk.) Chiov. in Native Hawaiian Dry Upland Ecosystems Castillo, J.M. Thesis, Colorado State University. 1997. PDF
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“Hawaii Tropical Dry Forest.” National Geographic WildWorld Ecoregion Profile, 2001. Click here to launch
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Hawaiian Native Plant Genera; University of Hawai‘i Botany Department http://www.botany.hawaii.edu/faculty/carr/natives.htm
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Hawaiian Native Plant Propagation Database; University of Hawai‘i College of Tropical Agriculture and Human Resources http://pdcs.ctahr.hawaii.edu:591/hawnprop/botlist.htm
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Hawai’s Unique and Vanishing Flora: The Dry Forest; Los Angeles Natural History Museum
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Native Plant Network http://www.nativeplantnetwork.org/network/search.asp
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“Native Plants of Hawaiian Dry Forests and Traditional Uses for Them” compiled from C.S. Judd’s “Trees and other plants used by early Hawaiians.” 1938. PDF
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Ka ‘Ahahui o ka Nāhelehele http://www.drylandforest.org/