Landscape Uses:
	Primarily recommended for natural landscapes and habitat restorations.
Ecological Restoration Notes:
	A somewhat weedy understory element of a wide variety of wetland ecosystems. Will recruit into restoration sites.
Availability:
	Grown by enthusiasts.
Description:
	Small annual herb with erect stems.
Height:
	Typically 2-12 inches in height or sometimes more. About as broad as tall.
Growth Rate:
	Fast.
Range:
	Scattered in North America south to the Monroe County Keys; West Indies, Mexico, Central America, South America and Old World tropics. In the Monroe County Keys, apparently disjunct from the Miami-Dade County mainland to Bahia Honda, Big Pine Key and nearby islands.
Habitats:
	Freshwater and brackish marshes.
Soils:
	Wet to moist, seasonally inundated freshwater or brackish soils.
Nutritional Requirements:
	Moderate to low; it prefers soils with organic content, but will still grow reasonably well in nutrient poor soils.
Salt Water Tolerance:
	Moderate; tolerates brackish water or occasional inundation by salt water.
Salt Wind Tolerance:
	Moderate; grows near salt water, but is protected from direct salt spray by other vegetation.
Drought Tolerance:
	Low; requires moist to wet soils and is intolerant of long periods of drought.
Light Requirements:
	Full sun.
Flower Color:
	Brown inflorescence.
Flower Characteristics:
	Inconspicuous.
Flowering Season:
	All year.
Fruit:
	Inconspicuous achene.
Wildlife and Ecology:
Horticultural Notes:
	Can be grown from seed or divisions.
Comments:
	Recruits readily from seed in the garden, but is not really aggressive.