| Phacelia adenophora J. T. Howell |
Accepted |
12 |
| Phacelia affinis A. Gray |
Accepted |
12 |
| Phacelia argentea A. Nelson & J. F. Macbr. |
Accepted |
22 |
| Phacelia artemisioides Griseb. |
Accepted |
11 |
| Phacelia austromontana J. T. Howell |
Accepted |
9 |
| Phacelia beatleyae Reveal & Constance |
Accepted |
12 |
| Phacelia bicolor Torr. ex S. Watson |
Accepted |
13 |
| Phacelia bipinnatifida Michx. |
Accepted |
9 |
| Phacelia bolanderi A. Gray |
Accepted |
11 |
| Phacelia brachyloba (Benth.) A. Gray |
Accepted |
12 |
| Phacelia breweri A. Gray |
Accepted |
11 |
| Phacelia californica Cham. |
Accepted |
22 |
| Phacelia calthifolia Brand |
Accepted |
11 |
| Phacelia campanularia A. Gray |
Accepted |
11 |
| Phacelia cephalotes A. Gray |
Accepted |
11 |
| Phacelia cicutaria Greene |
Accepted |
11 |
| Phacelia coerulea Greene |
Accepted |
11 |
| Phacelia congdonii Greene |
Accepted |
10 |
| Phacelia congesta Hook. |
Accepted |
9 |
| Phacelia constancei N. D. Atwood |
Accepted |
11 |
| Phacelia cookei Constance & Heckard |
Accepted |
11 |
| Phacelia corymbosa Jeps. |
Accepted |
22 |
| Phacelia crenulata Torr. ex S. Watson |
Accepted |
11 |
| Phacelia curvipes Torr. ex S. Watson |
Accepted |
11 |
| Phacelia dalesiana J. T. Howell |
Accepted |
8 |
| Phacelia davidsonii A. Gray |
Accepted |
10 |
| Phacelia demissa A. Gray |
Accepted |
12 |
| Phacelia denticulata Osterh. |
Accepted |
11 |
| Phacelia distans Benth. |
Accepted |
11 |
| Phacelia divaricata (Benth.) A. Gray |
Accepted |
10 |
| Phacelia dubia (L.) Trel. & Small |
Accepted |
5 |
| Phacelia eisenii Brandegee |
Accepted |
9 |
| Phacelia exilis (A. Gray) G. L. Lee |
Accepted |
9 |
| Phacelia fimbriata Michx. |
Accepted |
9 |
| Phacelia floribunda Greene |
Accepted |
11 |
| Phacelia franklinii (R. Br.) A. Gray |
Accepted |
11 |
| Phacelia fremontii Torr. |
Accepted |
13 |
| Phacelia gilioides Brand |
Accepted |
9 |
| Phacelia glabra Nutt. |
Accepted |
8 |
| Phacelia glandulifera Piper |
Accepted |
13 |
| Phacelia glechomifolia A. Gray |
Accepted |
12 |
| Phacelia grandiflora (Benth.) A. Gray |
Accepted |
11 |
| Phacelia greenei J. T. Howell |
Accepted |
10 |
| Phacelia grisea A. Gray |
Accepted |
9 |
| Phacelia gymnoclada Torr. ex S. Watson |
Accepted |
13 |
| Phacelia hastata Douglas ex Lehm. |
Accepted |
22 |
| Phacelia heterophylla Pursh |
Accepted |
11 |
| Phacelia integrifolia Torr. |
Accepted |
11 |
| Phacelia leibergii Brand |
Accepted |
13 |
| Phacelia leptosepala Rydb. |
Accepted |
33 |
| Phacelia linearis (Pursh) Holz. |
Accepted |
11 |
| Phacelia lyallii (A. Gray) Rydb. |
Accepted |
9 |
| Phacelia maculata A. Wood |
Accepted |
5 |
| Phacelia mohavensis A. Gray |
Accepted |
9 |
| Phacelia mollis J. F. Macbr. |
Accepted |
11 |
| Phacelia mustelina Coville |
Accepted |
12 |
| Phacelia mutabilis Greene |
Accepted |
22 |
| Phacelia nemoralis Greene |
Accepted |
11 |
| Phacelia neomexicana Thurb. ex Torr. |
Accepted |
11 |
| Phacelia orogenes Brand |
Accepted |
9 |
| Phacelia parryi Torr. |
Accepted |
11 |
| Phacelia pediculoides (J. T. Howell) Constance |
Accepted |
23 |
| Phacelia perityloides Coville |
Accepted |
11 |
| Phacelia pinnatifida Griseb. ex Wedd. |
Accepted |
11 |
| Phacelia platycarpa (Cav.) Spreng. |
Accepted |
9 |
| Phacelia popei Torr. & A. Gray |
Accepted |
11 |
| Phacelia pulchella A. Gray |
Accepted |
12 |
| Phacelia purshii Buckley |
Accepted |
9 |
| Phacelia quickii J. T. Howell |
Accepted |
8 |
| Phacelia racemosa (Kellogg) A. Heller |
Accepted |
7 |
| Phacelia ranunculacea (Nutt.) Constance |
Accepted |
14 |
| Phacelia robusta (J. F. Macbr.) I. M. Johnst. |
Accepted |
11 |
| Phacelia rotundifolia Torr. ex S. Watson |
Accepted |
12 |
| Phacelia rupestris Greene |
Accepted |
11 |
| Phacelia secunda J. F. Gmel. |
Accepted |
11 |
| Phacelia sericea (Graham) A. Gray |
Accepted |
11 |
| Phacelia splendens Eastw. |
Accepted |
11 |
| Phacelia stebbinsii Constance & Heckard |
Accepted |
8 |
| Phacelia suaveolens Greene |
Accepted |
12 |
| Phacelia tanacetifolia Benth. |
Accepted |
11 |
| Phacelia viscida (Benth.) Torr. |
Accepted |
11 |
| Phacelia ammophila Greene |
Unresolved |
11 |
| Phacelia bombycina Wooton & Standl. |
Unresolved |
11 |
| Phacelia capitata Kruckeb. |
Unresolved |
11 |
| Phacelia cedroensis Rose |
Unresolved |
11 |
| Phacelia cooperae A. Gray |
Unresolved |
12 |
| Phacelia irritans Brand |
Unresolved |
8 |
| Phacelia simplicifolia Colla |
Synonym of Phacelia brachyantha Benth. |
11 |
| Phacelia cedroensis None |
Synonym of Phacelia cedroensis Rose |
11 |
| Phacelia eximia Eastw. |
Synonym of Phacelia cicutaria var. eximia (Eastw.) J. T. Howell |
11 |
| Phacelia crenulata var. crenulata |
Synonym of Phacelia crenulata Torr. ex S. Watson |
11 |
| Phacelia corrugata A. Nelson |
Synonym of Phacelia crenulata var. corrugata (A. Nelson) Brand |
11 |
| Phacelia frigida Greene |
Synonym of Phacelia cumingii (Benth.) A. Gray |
22 |
| Phacelia douglasii (Benth) Torr. |
Synonym of Phacelia douglasii (Benth.) Torr. |
11 |
| Phacelia egena Greene |
Synonym of Phacelia egena (Brand) Greene ex J. T. Howell |
22 |
| Miltitzia glaberrima (Torr.) Brand |
Synonym of Phacelia glaberrima (Torr.) J. T. Howell |
13 |
| Phacelia glechomifolia None |
Synonym of Phacelia glechomifolia A. Gray |
12 |
| Phacelia greenei I. J. T. Howell |
Synonym of Phacelia greenei J. T. Howell |
10 |
| Phacelia hastata subsp. hastata |
Synonym of Phacelia hastata Douglas ex Lehm. |
22 |
| Phacelia compacta (Brand) Greene ex J. T. Howell |
Synonym of Phacelia hastata subsp. compacta (Brand) Heckard |
22 |
| Phacelia leucophylla Torr. |
Synonym of Phacelia hastata var. leucophylla (Torr.) Cronquist |
22 |
| Phacelia heterophylla subsp. heterophylla |
Synonym of Phacelia heterophylla Pursh |
11 |
| Phacelia lemmonii |
Synonym of Phacelia lemmonii A. Gray |
22 |
| Phacelia lutea var. lutea |
Synonym of Phacelia lutea (Hook. & Arn.) J. T. Howell |
12 |
| Phacelia whitlavia A. Gray |
Synonym of Phacelia minor var. whitlavia (A. Gray) J. F. Macbr. |
11 |
| Phacelia nemoralis None |
Synonym of Phacelia nemoralis Greene |
11 |
| Phacelia pachyphylla None |
Synonym of Phacelia pachyphylla A. Gray |
11 |
| Phacelia laxiflora J. T. Howell |
Synonym of Phacelia perityloides var. laxiflora (J. T. Howell) Cronquist |
10 |
| Phacelia viscosa Phil. |
Synonym of Phacelia pinnatifida Griseb. ex Wedd. |
11 |
| Phacelia arizonica A. Gray |
Synonym of Phacelia popei var. arizonica (A. Gray) J. W. Voss |
11 |
| Phacelia magellanica (Lam.) Coville |
Synonym of Phacelia secunda J. F. Gmel. |
11 |
| Phacelia secunda None |
Synonym of Phacelia secunda J. F. Gmel. |
11 |
| Phacelia secunda subsp. pinnata (Ruiz & Pav.) Constance |
Synonym of Phacelia secunda J. F. Gmel. |
11 |