gray pine dwarf-mistletoe

Arceuthobium occidentale

Member of dwarf-mistletoes (genus Arceuthobium)
mistletoes (tribe Visceae)
sandalwood family (family Santalaceae)
dicots (class Magnoliopsida)
other colors in flowering plants

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• plants usually forming localized infections only
• principal host is gray pine (Pinus sabiniana)
• by far the most common ID in the bay area, despite it being ignored by Calflora and Jepson

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Chris’s observations: 2 (none are research grade)

Locations:

• Henry Coe SP
• Mt. Diablo SP

Months:

• Nov.: 1
• Dec.: 0
• Jan.: 0
• Feb.: 0
• Mar.: 0
• Apr.: 1

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Not all sites agree about the scientific name:

• Arceuthobium occidentale → iNaturalist – CalPhotos
• Arceuthobium campylopodum → Calflora – Jepson eFlora
• Arceuthobium campylopodum ssp. occidentale → FNA

Bay Area species: iNaturalist – Calflora