Label
Santa Rosa Plateau: shallow, cold clear water of small stream near roadside, Rancho California. 2000 ft.
Alt. 600 m
Habitat
With Isoetes howellii, Lilaea scilloides, Eleocharis montevidensis parishii, Potamogeton foliosus, Ranunculus aquatilis capillaceus, Isoetes orcuttii, Marsilea vestita, etc.