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Most habitat and range descriptions were obtained from Weakley's Flora.
Your search found 12 taxa in the family Amaranthaceae, Pigweed family, as understood by Vascular Flora of the Carolinas.

Common Name:
Alligator-weed
Weakley's Flora: (11/30/12) Alternanthera philoxeroides FAMILY: Amaranthaceae
SYNONYMOUS WITH PLANTS National Database: Alternanthera philoxeroides FAMILY: Amaranthaceae
SYNONYMOUS WITH Vascular Flora of the Carolinas (Radford, Ahles, & Bell, 1968): Alternanthera philoxeroides 066-01-002 FAMILY: Amaranthaceae
Look for it floating in mats on the surface of the waters of blackwater rivers, sloughs, ditches, ponds, and in very moist soils of ditches & shores
Common. A serious weed of natural areas
Non-native: Tropical America






Common Name:
Sessile Joyweed
Weakley's Flora: (11/30/12) Alternanthera sessilis FAMILY: Amaranthaceae
SYNONYMOUS WITH PLANTS National Database: Alternanthera sessilis FAMILY: Amaranthaceae
Look for it in disturbed wet muck
Rare in GA & SC
Non-native: Tropics

Common Name:
Japanese Chaff-flower
Weakley's Flora: (11/30/12) Achyranthes japonica var. hachijoensis FAMILY: Amaranthaceae
SYNONYMOUS WITH PLANTS National Database: Achyranthes japonica var. hachijoensis FAMILY: Amaranthaceae
Look for it in bottomland forests, disturbed areas
Rare in GA, now acting as a serious invasive species
Non-native: east Asia

Common Name:
Smooth Pigweed, Smooth Amaranth, Green Amaranth, Hybrid Amaranth
Weakley's Flora: (11/30/12) Amaranthus hybridus FAMILY: Amaranthaceae
SYNONYMOUS WITH PLANTS National Database: Amaranthus hybridus FAMILY: Amaranthaceae
SYNONYMOUS WITH Vascular Flora of the Carolinas (Radford, Ahles, & Bell, 1968): Amaranthus hybridus 066-03-002 FAMILY: Amaranthaceae
Look for it in disturbed areas
Common
Native distribution uncertain, but apparently native to eastern US

Common Name: Careless-weed, Palmer's Amaranth
Weakley's Flora: (6/30/18) Amaranthus palmeri FAMILY: Amaranthaceae
SYNONYMOUS WITH PLANTS National Database: Amaranthus palmeri FAMILY: Amaranthaceae
SYNONYMOUS WITH Vascular Flora of the Carolinas (Radford, Ahles, & Bell, 1968): Amaranthus palmeri 066-03-004 FAMILY: Amaranthaceae
Look for it in disturbed areas
Rare
Native south and west of the Carolinas & Georgia

Common Name:
Spiny Amaranth
Weakley's Flora: (11/30/12) Amaranthus spinosus FAMILY: Amaranthaceae
SYNONYMOUS WITH PLANTS National Database: Amaranthus spinosus FAMILY: Amaranthaceae
SYNONYMOUS WITH Vascular Flora of the Carolinas (Radford, Ahles, & Bell, 1968): Amaranthus spinosus 066-03-006 FAMILY: Amaranthaceae
Look for it in fields, gardens, roadsides, barnyards, pastures
Common
Non-native: Tropical America

Common Name:
Seabeach Amaranth, Dwarf Amaranth
Weakley's Flora: (11/30/12) Amaranthus pumilus FAMILY: Amaranthaceae
SYNONYMOUS WITH PLANTS National Database: Amaranthus pumilus FAMILY: Amaranthaceae
SYNONYMOUS WITH Vascular Flora of the Carolinas (Radford, Ahles, & Bell, 1968): Amaranthus pumilus 066-03-009 FAMILY: Amaranthaceae
Look for it on sea beaches, fore-dunes, island end flats, rarely on sound-side beaches
Rare
Native to the Carolinas

Common Name:
Southern Water-hemp, Southern Amaranth, Careless
Weakley's Flora: (6/30/18) Amaranthus australis FAMILY: Amaranthaceae
SYNONYMOUS WITH PLANTS National Database: Amaranthus australis FAMILY: Amaranthaceae
Look for it in tidal marshes, ditches, disturbed areas
Rare
Native to Georgia (perhaps) and southward into South America (introduced in NC)

Common Name:
Tropical Amaranth, Smartweed Amaranth
Weakley's Flora: (6/30/18) Amaranthus polygonoides FAMILY: Amaranthaceae
SYNONYMOUS WITH PLANTS National Database: Amaranthus polygonoides FAMILY: Amaranthaceae
Look for it in disturbed areas
Waif(s)
Non-native: tropical America

Common Name:
Florida Cottonweed, Florida Cottonseed
Weakley's Flora: (11/30/12) Froelichia floridana FAMILY: Amaranthaceae
SYNONYMOUS WITH PLANTS National Database: Froelichia floridana var. floridana FAMILY: Amaranthaceae
SYNONYMOUS WITH Vascular Flora of the Carolinas (Radford, Ahles, & Bell, 1968): Froelichia floridana 066-05-001 FAMILY: Amaranthaceae
Look for it in sandhills, sandy fields, sandy roadsides
Common (rare in NC)
Native to the Carolinas & Georgia

Common Name:
Slender Cottonweed
Weakley's Flora: (5/21/15) Froelichia gracilis FAMILY: Amaranthaceae
SYNONYMOUS WITH PLANTS National Database: Froelichia gracilis FAMILY: Amaranthaceae
SYNONYMOUS WITH Vascular Flora of the Carolinas (Radford, Ahles, & Bell, 1968): Froelichia gracilis 066-05-002 FAMILY: Amaranthaceae
Look for it in vacant lots, sandy fields, railroad banks
Rare in GA-NC-SC
Native: Midwest US

Common Name: Plains Cottonseed
Weakley's Flora: (5/21/15) Froelichia campestris FAMILY: Amaranthaceae
SYNONYMOUS WITH PLANTS National Database: Froelichia floridana var. campestris FAMILY: Amaranthaceae
Look for it in sandy fields, other disturbed areas
Rare
Native: central & western US
Your search found 12 taxa. You are on page PAGE 1 out of 1 pages.