American Pillwort

Pilularia americana

Taxonomy

Division:
Pteridophyta | - Ferns
Family:
Marsileaceae
Genus:
Pilularia
Species:
Pilularia americana

Growth Characteristics

Life Cycle:
Perennial
Growth Habit:
Forb/herb
Height:
Less than 6 in
Light Requirements:
Full Sun
Drought Tolerance:
High
Bloom Months:
may
Bloom Colors:
Not Applicable
Ground Cover:
Yes

Native Range

United States: Alabama, Arkansas, California, Georgia, Kansas, Missouri, Nebraska, Oklahoma, Oregon, South Carolina, Tennessee, Texas, Washington

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.

Germination Information

Pre-treatment: Cold-moist stratification for 30 days at 1–5°C (34–41°F).

Source: OpenAI GPT-4o