White Hawkweed, White-flowered Hawkweed: Hieracium albiflorum (Synonyms: Chlorocrepis albiflora, Hieracium helleri, Hieracium occidentale, Hieracium siskiyouense) -
Meadow Hawkweed, Yellow King Devil: Hieracium caespitosum (Synonym: Hieracium pratense) -
Alpine Hawkweed, Low Alpine Hawkweed, Slender Hawkweed: Hieracium triste (Synonyms: Chlorocrepis tristis ssp. gracilis, Hieracium gracile, Hieracium gracile var. densifloccosum, Hieracium gracile var. detonsum, Hieracium gracile var. gracile,Hieracium triste ssp. gracile, Hieracium triste var. gracile) -
Houndstongue Hawkweed, Hound Tongue Hawkweed, Scouler's Hawkweed, Scouler's Woollyweed: Hieracium scouleri (Synonyms: Hieracium albertinum, Hieracium chapacanum, Hieracium cusickii, Hieracium cynoglossoides, Hieracium cynoglossoides var. nudicaule, Hieracium flettii, Hieracium nudicaule, Hieracium scouleri var. albertinum, Hieracium scouleri var. griseum, Hieracium scouleri var. scouleri) -
Narrowleaf Hawkweed, Umbellate Hawkweed: Hieracium umbellatum (Synonyms: Hieracium canadense, Hieracium kalmii, Hieracium umbellatum ssp. umbellatum) -