http://www.conifers.org/pi/pic/ - http://www.conifers.org/pi/pic/
Description of the genus of the spruce tree, including taxonomy, range, ethnobotany, and the largest and oldest known specimens. Links to information on some species. |
Picea chihuahuana - http://www.biologie.uni-ulm.de/systax/dendrologie/piceachiua.htm
Description and photographs. |
Picea engelmannii - http://www.fs.fed.us/database/feis/plants/tree/piceng/all.html
Distribution and Occurrence; Value and Use; Characteristics; Fire Ecology |
Picea pungens - http://www.fs.fed.us/database/feis/plants/tree/picpun/all.html
Information on distribution and occurrence, value and use, characteristics, and fire ecology. |
Picea pungens: Blue Spruce - http://bioweb.uwlax.edu/bio203/s2009/hanford_kyle
Research project by Kyle Hanford at the University of Wisconsin-LaCrosse. |