kohalacenter.org/docs/resources/hpsi/PollinatorsInHawaii.pdf
cms.ctahr.hawaii.edu/pollinators/BeePlants
www.pollinator.org/PDFs/Guides/HawaiianIsland.EcoRegGuide.FINAL.hi-res.pdf
https://naturalhistory2.si.edu/botany/hawaiianflora/index.htm
http://nativeplants.hawaii.edu/index/