Plant Communities:
North Coastal Coniferous Forest
Douglas-Fir Forest
Yellow Pine Forest
wetland-riparian

Synonyms:
Carex festiva var. gracilis
Carex festiva var. pachystachya
Carex macloviana ssp. pachystachya
Carex macloviana var. pachystachya
Carex multimoda
Carex olympica
Carex pachystachya var. gracilis
Carex pachystachya var. monds-coulteri
Carex pyrophila