Vaccinium
   Photographs of several species of Vaccinium growing in their natural habitat in Hawaii.
   http://jupiternielsenflameworking.com/hawaiianflora/ohelo.html

Vaccinium arboreum
   Includes distribution and occurrence, botanical and ecological characteristics, value and use, and fire ecology.
   http://www.fs.fed.us/database/feis/plants/shrub/vacarb/

Vaccinium microcarpum
   Description of the Small Cranberry and two photographs.
   http://www.plant-identification.co.uk/skye/ericaceae/vaccinium-microcarpum.htm

Vaccinium myrtillus
   Several photographs of the Bilberry with some identifying features.
   http://www.plant-identification.co.uk/skye/ericaceae/vaccinium-myrtillus.htm

Vaccinium reticulatum
   image
   http://www.botany.hawaii.edu/faculty/carr/images/vac_ret.jpg

Vaccinium vitis-idaea
   Photographs of the flowers and fruit of the cowberry and some identifying features.
   http://www.plant-identification.co.uk/skye/ericaceae/vaccinium-vitis-idaea.htm