[oregonflora.org] Hybrid Information: This species is a hybrid between E. hyemale var. affine and E. laevigatum. It is usually found where both parents occur. The species is sterile but persists by vegetative growth. (link added by Mary Ann Machi)
Calflora:
Information on California plants for education, research and conservation,
with data contributed by
public and private institutions and individuals.
[web application]. 2025.The Calflora Database
[a non-profit organization].Available:
https://www.calflora.org/(Accessed: 04/09/2025).
