Isoetes howellii

Isoeteaceae Family (Quillwort)

Distinguishing Characteristics

• Robust plant. Translucent membrane covering <75% of the sporangium.

Habitat(s)

• Vernal pools and seasonal marshes.

Additional Information

• Native. Endemic to the western United States.
   
• Flowering time: n/a.
   
• Additional images from CalPhotos.
   
• Treatment from Jepson Manual.