Oxytheca perfoliata Torr. & Gray
| The relationship of temperature and dissolved oxygen to the seasonal settlement of the polychaetous annelid Hydroides norvegica (Gunnerus) (1961) Bulletin of The Southern California Academy of Sciences 60: 1-114 | |
| The eriogonoid flora of California (Polygonaceae: Eriogonoideae) J L Reveal (1989) Phytologia 66: 295-414 |