The Genus Phacelia

Silvery Phacelia, Sand Dune Phacelia: Phacelia argentea -

Bolander's Phacelia, Bolander's Scorpion-weed: Phacelia bolanderi -

Capitate Phacelia: Phacelia capitata -

Serpentine Scorpionweed, Serpentine Phacelia: Phacelia corymbosa -

Kaweah River Scorpionweed: Phacelia egena -

Compact Phacelia, Timberline Phacelia: Phacelia hastata var. compacta (Synonyms: Phacelia frigida, Phacelia frigida ssp. frigida, Phacelia hastata var. dasyphylla, Phacelia nemoralis var. frigida) -

Whiteleaf Phaceli, Silverleaf Phaceliaa: Phacelia hastata var. hastata (Synonyms: Phacelia hastata var. alpina, Phacelia hastata var. leucophylla) -

Varileaf Phacelia, Varied-leaf Phacelia: Phacelia heterophylla var. heterophylla -

Varileaf Phacelia, Virgate Phacelia: Phacelia heterophylla ssp. virgata (Synonym: Phacelia virgata) -

Low Phacelia, Humble Phacelia: Phacelia humilis -

Leo's Phacelia, Siskiyou Phacelia: Phacelia leonis -

Narrow-sepal Phacelia, Narrow-sepal Scorpion-weed: Phacelia leptosepala (Synonym: Phacelia hastata var. leptosepala) -

Threadleaf Phacelia, Thread-leaf Phacelia, Thread-leaf Scorpion-weed, Carson's Phacelia: Phacelia linearis -

Mallow-leaved Phacelia, Stinging Phacelia: Phacelia malvifolia -

Changeable Scorpionweed, Changeable Phacelia: Phacelia mutabilis (Synonym: Phacelia heterophylla var. pseudohispida) -

Woodland Phacelia, Oregon Phacelia, Shade Phacelia: Phacelia nemoralis ssp. oregonensis -

Peck's Phacelia: Phacelia peckii -

Tall Phacelia, Tall Scorpion-weed: Phacelia procera -

Branching Phacelia: Phacelia ramosissima var. eremophila (Synonym: Phacelia eremophila) - ?

Branched Phacelia, Long-branched Phacelia: Phacelia ramosissima var. ramosissima -

Branching Phacelia: Phacelia ramosissima var. subglabra -

Rattan's Phacelia: Phacelia rattanii -

Silky Phacelia: Phacelia sericea var. sericea -

Lacy Scorpionweed, Tansy Phacelia: Phacelia tanacetifolia -

Spring Phacelia, Umpqua Phacelia: Phacelia verna -