Specimen data from the Consortium of California Herbarium
Carex haydeniana
Carex haydenianaOlney
Family: Cyperaceae
[Carex festiva var. decumbens T. Holm, moreCarex festiva var. haydeniana (Olney) W.Boott, Carex macloviana subsp. haydeniana (Olney) Roy L. Taylor & MacBryde, Carex macloviana var. haydeniana (Olney) Kük., Carex nubicola Mack.]