Quillwort
Isoetes × harveyi
- Native to:
- Canada, United States
Pattavina, Pete






Taxonomy
- Division:
- Lycopodiophyta | - Lycopods
- Family:
- Isoetaceae
- Genus:
- Isoetes
- Species:
- Isoetes × harveyi
- USDA Symbol:
- ISHA4
Growth Characteristics
- Life Cycle:
- Perennial
- Growth Habit:
- Graminoid
- Light Requirements:
- Full Sun
Wildlife Benefits
- Caterpillars:
- ★☆☆☆☆ Recorded caterpillar host plant (HOSTS Database)
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