Psilocarphus brevissimus  Nutt.

Ubiquity:  Very uncommon

Distritution:  Known only from Suscol Ridge, North Sucol Plains, & from Wildhorse Valley to Atlas Peak

Plant Communities:  Annual Grassland, Regular Chaparral

Habitats:  Moist, sunny, clayey vernal pools/flats/ & swales; in volcanic formations

Elevations:  15-1470'

Comments:  Collection needed

Updated:  3/31/98

Psilocarphus oregonus  Nutt.

Ubiquity:  Very uncommon

Distritution:  Reported only from North Suscol Plains & Mill Valley near Angwin.

Plant Communities:  Annual Grassland, Mixed Evergreen Forest

Habitats:  Moist, sunny, clayey, vernal pools; in volcanic formations

Elevations:  20-1800'

Comments:  Collection needed.  May intergrade with P. tenellus

Updated:  3/31/98

Psilocarphus tenellus  Nutt.

Ubiquity:  Common

Distritution:  Throughout

Plant Communities:  Blue Oak Woodland, Regular & Serpentine Chaparral

Habitats:  Dry, sunny, clayey, saline or not, ultramafic or not, vernal pools/slopes; & in disturbed areas like burns; in most geologic formations including serpentine

Elevations:  10-2700'

Comments:  

Updated:  3/31/98