Abies grandis var. concolor, balsam fir, Colorado white fir, Picea concolor, Pinus concolor, silver fir, and white balsam. There are two varieties of white fir, sometimes recognized as separate varieties and sometimes grouped under the white fir blanket. They are Rocky Mountain fir (Abies concolor var. concolor) and California white fir (Abies concolor var. lowiana, also known as Sierra white fir).
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