Lake Quillwort

Isoetes lacustris

Lake Quillwort

Taxonomy

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

Growth Characteristics

Life Cycle:
Perennial
Growth Habit:
Graminoid
Height:
6 in - 1 ft
Light Requirements:
Full Sun
Drought Tolerance:
High
Bloom Colors:
Not Applicable

Native Range

United States: Connecticut, Massachusetts, Maine, Michigan, Minnesota, New Hampshire, New Jersey, New York, Rhode Island, Tennessee, Virginia, Vermont, Wisconsin, Canada: Manitoba, New Brunswick, Nova Scotia, Northwest Territories, Ontario, Prince Edward Island, Quebec, Saskatchewan

Soil Requirements

Soil Type:
sandy, acidic, nutrient-poor soil
pH:
5.5 - 7.0 (slightly acidic to neutral)
Drainage:
excellent drainage required
Moisture:
consistently moist
Notes:
Typically found in clear, oligotrophic lakes.