found: Work cat.: Byers, K.J.R.P. Floral volatiles in Mimulus, 2014:abstr. (two sister species of Mimulus, M. cardinalis and M.lewisii) p. 29 (Mimulus cardinalis)
found: Calflora website, Mar. 18, 2020(Mimulus cardinalis (no longer an active name; please see Erythranthe cardinalis) Cardinal monkey flower, Scarlet monkeyflower)
found: Calscape website, Mar. 18, 2020(Scarlet Monkeyflower, Erythranthe cardinalis)
found: Missouri Botanical Garden Plant finder website, Mar. 18, 2020(Mimulus cardinalis. Common name: scarlet monkey flower)
found: USDA Plants database, Mar. 18, 2020(Mimulus cardinalis, scarlet monkeyflower. Synonyms: Diplacus cardinalis, Erythranthe cardinalis, Mimulus verbenaceus, crimson monkeyflower)
found: ITIS, Mar. 18, 2020(Mimulus cardinalis. Synonyms: Mimulus verbenaceus, Diplacus cardinalis, Erythranthe cardinalis. Common names: scarlet monkeyflower, scarlet monkey-flower, crimson monkeyflower)
found: Jepson eFlora (Website), May 7, 2020(Erythranthe cardinalis, Scarlet Monkeyflower)
found: UBC Botanical Garden website, May 8, 2020(Erythranthe lewisii and Erythranthe cardinalis (formerly members of Mimulus) are rhizomatous perennial herbs that are found along streamsides and in other moist sites in western North Americ)