City of Riverside California City of Riverside California City of Riverside California Human Resources
:: Plant Communities of Riverside County
Sub alpine Forest
An On-Line Exhibit of the Riverside Municipal Museum
 
Sub alpine Forest Annual rainfall: 35 to 50 inches
Above 8000 feet, local mountain forests change to include more durable, cold-hardy, slow growing species, such as Limber and Lodge pole pines. Trees are more scattered than in the Yellow Pine Forest, allowing for more growth of colorful, low growing shrubs and wildflowers.
 
A1528-3550 Pinus flexilis Limber Pine
vegetative
Collected by John C. Roos 07/30/1936
US, California, San Bernardino County, San Bernardino Mountains, Greyback
elevation above 8500 feet and below 10,000 feet
 
A1528-2470 Silene parishii Parish's Campion
flowering
Collected by John C. Roos 07/30/1936
US, California, San Bernardino County, San Bernardino Mountains, Greyback Ridge
 
A1528-2423 Arabis platysperma Broad-seeded Rock-cress
fruiting
Collected by John C. Roos 07/30/1936
US, California, San Bernardino County, San Bernardino Mountains, Greyback Ridge
 
A1528-2450 Arenaria nuttallii Nuttall's Sandwort
flowering
Collected by John C. Roos 08/27/1941
US, California, San Bernardino County, San Bernardino Mountains, Greyback Ridge
aka Gorgonio Ridge; elevation 11,000 feet
 
 
A1528-2073 Raillardella argentea Silky Raillardella
flowering
Collected by John C. Roos 08/27/1941
US, California, San Bernardino County, San Bernardino Mountains, Greyback Ridge
elevation 11,000 feet
 
 
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