Manzanita Fungal Pathogen
Harknessia arctostaphyli
Insect
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Fungal pathogen affecting manzanita leaves (not an insect). Causes dieback; balances native plant communities in Bay Area chaparral systems.
Plants that support Manzanita Fungal Pathogen
6 plants
Bert Johnson Manzanita
Arctostaphylos edmundsii 'Bert Johnson'
perennial herb
Foliage
Keystone species
Mt. Tamalpais Manzanita
Arctostaphylos montana ssp. montana
perennial herb
Larval Host
Bay Area native
Keystone species
Green Witch Manzanita
Arctostaphylos viridissima 'Green Witch'
perennial herb
Foliage
Keystone species
Hoary Manzanita
Arctostaphylos canescens
perennial herb
Larval Host
Bay Area native
Keystone species
Sandmat Manzanita
Arctostaphylos pumila
perennial herb
Larval Host
Keystone species
Toro Manzanita
Arctostaphylos montereyensis
perennial herb
Foliage
Keystone species