Howell's Quillwort

Isoetes howellii

Taxonomy

Division:
Lycopodiophyta | - Lycopods
Family:
Isoetaceae
Genus:
Isoetes
Species:
Isoetes howellii

Growth Characteristics

Life Cycle:
Perennial
Growth Habit:
Graminoid
Height:
6 in - 1 ft
Light Requirements:
Full Sun
Drought Tolerance:
Low
Bloom Months:
apr, may, jun, jul, aug
Bloom Colors:
Not Applicable

Native Range

United States: California, Idaho, Montana, Oregon, Utah, Washington, Canada: British Columbia

Soil Requirements

Soil Type:
sandy, acidic, nutrient-poor soil
pH:
5.5 - 7.0 (slightly acidic to neutral)
Drainage:
tolerates poor drainage
Moisture:
consistently moist
Notes:
often found in seasonal pools or wetlands