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Platanthera obtusata

Platanthera obtusata (Banks ex Pursh) Lindl.

Bluntleaved Orchid

Orchidaceae (Orchid Family)

Synonym(s):

USDA Symbol: PLOB

USDA Native Status: L48 (N), AK (N), CAN (N), SPM (N)

Platanthera obtusata is chlorophyllous but also hemi-mycoheterotrophic; that is, it makes it own food, but also utilizes a fungus to provide some of its carbon intake. Fungi involved are Sistotrema sp., a saprotroph, and the Ceratobasidium cornigerum complex, which is saprotrophic, but is also a facultative pathogen of many plants.