Threatened by development, agriculture, road construction, and recreational activities. Not in TJM (1993); mentioned as "undescribed sp." under N. parryi. See Novon 5:162 (1995) for original description.
California Native Plant Society (CNPS).
Inventory of Rare and Endangered Plants (online edition, v8-02).
California Native Plant Society. Sacramento, CA. Accessed on
.