American Pillwort
Pilularia americana
- Native to:
- Argentina, Bolivia, Brazil, Chile, Colombia, Mexico, United States, Uruguay
Internet Archive Book Images (www.flickr.com)
Taxonomy
- Division:
- Pteridophyta | - Ferns
- Family:
- Marsileaceae
- Genus:
- Pilularia
- Species:
- Pilularia americana
- USDA Symbol:
- PIAM
Growth Characteristics
- Life Cycle:
- Perennial
- Growth Habit:
- Forb/herb
- Height:
- 10 cm
- Light Requirements:
- Full Sun
- Drought Tolerance:
- Low
- Ground Cover:
- Yes
Garden & Ecology Notes
- Wildlife Value:
- waterfowl
- Deer Resistant:
- Yes
Soil Requirements
- Soil Type:
- sandy, nutrient-poor, water-retentive soil
- pH:
- 5.5 - 7.0 (slightly acidic to neutral)
- Drainage:
- tolerates poor drainage
- Moisture:
- consistently moist
- Notes:
- Commonly found in shallow water or wetland areas.
Propagation & Germination
Pre-treatment: Cold-moist stratification for 30 days at 1–5°C (34–41°F).
Source: Claude AI