Quillwort

Isoetes × harveyi

Quillwort

Pattavina, Pete

Taxonomy

Division:
Lycopodiophyta | - Lycopods
Family:
Isoetaceae
Genus:
Isoetes
Species:
Isoetes × harveyi

Growth Characteristics

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

Native Range

United States: Maine, New York, Canada: New Brunswick, Nova Scotia, Ontario

Host Plant for Caterpillars

Eoparargyractis plevie

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 shallow, temporary pools