Callitriche heterophylla  Pursh

Ubiquity: Very(?) uncommon 

Distritution: Reported only from Soda Canyon

Plant Communities:  Riparian

Habitats:  Wet, sunny, muddy places like slow streams

Elevations:  1400'

Comments: Collection needed.

Updated:  1/5/98

Callitriche heterophylla  Pursh

      var. bolanderi  (Hegelm.) Fassett

Ubiquity:  Common

Distritution:  Throughout except Napa Marsh

Plant Communities:  Annual Grassland, Riparian, Hot Springs

Habitats:  Wet or muddy, sunny, acetic streams/ditches/vernal pools/ & geysers

Elevations:  70-1440'

Comments:

Updated:  1/5/98

Callitriche marginata  Torr.

Ubiquity:  Common

Distritution:  W1/2

Plant Communities:  Blue Oak Woodland, Regular Chaparral, Annual Grassland, Riparian

Habitats:  Wet or muddy, sunny, vernal pools & seeps/springs.

Elevations:  100-1460'

Comments:  = C. lonipedunculata

Updated:  1/5/98

Callitriche stagnalis  Scopoli

Ubiquity:  Uncommon

Distritution:  Napa Valley from Rutherford to Napa

Plant Communities:  Riparian

Habitats: Wet, muddy, sunny ditches

Elevations:  70-160'

Comments:  Non-native

Updated:  1/5/98

Callitriche trochlearis  Fassett

Ubiquity:  Very uncommon

Distritution:  Known only for Lovall Valley

Plant Communities:  Annual Grassland

Habitats:  Wet or muddy, sunny edges of ponds & streams

Elevations: 570'

Comments:  Collection needed

Updated:  1/5/98

Callitriche verna  L.

Ubiquity:  Common

Distritution:  NW1/4, including Weeks' Lake in Pope Valley

Plant Communities:  Mixed Evergreen Forest, Annual Grassland, Riparian

Habitats:   Wet or muddy, sunny, vernal pools & ditches

Elevations:  365-1750' 

Comments:

Updated:  1/5/98