Ponderosa Pine (Pinus ponderosa), sometimes called Bull Pine, Blackjack Pine, or Western Yellow Pine, is a widespread and variable pine native to western North America. It was first described by David Douglas in 1826, from eastern Washington near present-day Spokane. It is a dominant tree in the Kuchler plant association Ponderosa shrub forest. Like most western pines, the ponderosa is associated with mountainous topography. It is found on the Bl...
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Ponderosa Pine (Pinus ponderosa), sometimes called Bull Pine, Blackjack Pine, or Western Yellow Pine, is a widespread and variable pine native to western North America. It was first described by David Douglas in 1826, from eastern Washington near present-day Spokane. It is a dominant tree in the Kuchler plant association Ponderosa shrub forest. Like most western pines, the ponderosa is associated with mountainous topography. It is found on the Black Hills and on foothills and mid-height peaks of the northern, central and southern Rocky Mountains as well as the Cascades and Sierra Nevada.
Modern forestry research identifies four different taxa of Ponderosa Pine, with differing botanical characters and adapted to different climatic conditions. These have been termed "geographic races" in forestry literature, while some botanists historically treated them as distinct species. In modern botanical usage, they best match the rank of subspecies, but not all of the relevant botanical...
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