Interested collectors should use DNR's tree identification guides to ensure ... viable" black spruce cones and $30 per bushel of jack pine cones. A bushel is equal to about nine gallons.

and becomes quite furrowed in older trees. The eastern white pine adds a ring of side branches and a terminal shoot yearly with age. The cones of this species are up to eight inches long, have ...

(Hugh Safford, UC Davis) The Jeffrey pine grows in upper montane areas throughout the Sierra Nevada and is the most common tree found around Lake Tahoe and Mammoth Lakes. It is not considered a ...