Gucker, C.L.; Shaw, N.L. 2019. Parsnipflower buckwheat (Eriogonum heracleoides). In: Gucker, C.L.; Shaw, N.L., eds. Western forbs: Biology, ecology, and use in restoration. Reno, NV: Great Basin Fire Science Exchange. Online: https://westernforbs.org/species/parsnipflower-buckwheat-eriogonum-heracleoides/