| Hydrophyllaceae | |
Phacelia imbricata subsp. bernardina
| (Greene) Heckard | Univ. Calif. Publ. Bot. 32(1): 44 | 1960 |
| Hydrophyllaceae | |
Phacelia imbricata var. bernardina
| (Greene) Walden & R. Patt. | Madroño 58(4): 269 | 2011 [2012] |
| Hydrophyllaceae | |
Phacelia imbricata var. caudata
| Brand | Univ. Calif. Publ. Bot. 4(13): 220 | 1912 |
| Hydrophyllaceae | |
Phacelia imbricata var. condensata
| Brand | Univ. Calif. Publ. Bot. 4(13): 220 | 1912 |
| Hydrophyllaceae | |
Phacelia imbricata subvar. hansenii
| Brand | Univ. Calif. Publ. Bot. 4(13): 220 | 1912 |
| Hydrophyllaceae | |
Phacelia imbricata subsp. imbricata
| | | |
| Hydrophyllaceae | |
Phacelia imbricata var. imbricata
| | | |
| Hydrophyllaceae | |
Phacelia imbricata subsp. patula
| (Brand) Heckard | Univ. Calif. Publ. Bot. 32(1): 45 | 1960 |
| Hydrophyllaceae | |
Phacelia imbricata var. patula
| (Brand) Walden & R. Patt. | Madroño 58(4): 269 | 2011 [2012] |