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Sandy-field Beaksedge

Rhynchospora megalocarpa

Found in dry longleaf pine sandhills, Florida scrub. Weakley, Flora of the Southeastern United States (2025), Florida edition What its natural habitat tells you

44
Good

Native to Florida. How scores work Is it native here?

Profile 88%

Height
Up to about 4 feet
Light
Partial shade, Full sun
Soil moisture
Dry to moist
Will it fit your yard?

At a glance

Life cycle
Perennial
Bloom
June to August

Not yet recorded · Spread · Leaves

Recorded in 54 Florida counties.

Natural habitats

Places it grows wild. Not a planting requirement. Each habitat page lists the plants and wildlife also found there.

1 of 2

Sandhills

Dry, deep-sand ridges with longleaf pine and turkey oak, kept open by fire.

Florida scrub

Evergreen scrub oaks, sand pine and rosemary on deep, white, drought-prone sand ridges, burned rarely but intensely; distinct from the longleaf and turkey oak sandhills.

All habitats

Also found with this plant

Wildlife whose habitat models include habitats this plant grows in, in Florida. Shared habitat, not food. 104 animals.

All wildlife of Florida

Ecological relationships

Who uses this plant?

What these records mean

4CaterpillarsGenus host records with ranges including FL

Genus host records with ranges including FL · Rhynchospora

  • Euphyes dukesiDukes' Skipper
  • Lethe appalachiaAppalachian Brown, Appalachian Eyed Brown
  • Synchlora frondariaSouthern Emerald
  • Diploschizia habecki
Shropshire & Tallamy 2025, Lepidoptera of North America north of Mexico, ZooKeys 1261 (ODbL)
4BeesSoutheastern regional records

Southeastern regional records · Rhynchospora

Individual names are not available yet.

Noori, Seltmann & Orr 2026, A curated and integrated dataset for exploring global bee-plant interactions (GloBI), Zenodo, CC BY 4.0
0Specialist beesPollen specialists
5BirdsRecorded genus food-resource interactions; not a state feeding claim

Recorded genus food-resource interactions; not a state feeding claim · Rhynchospora

  • Dendrocygna bicolorFulvous Whistling-Duck
  • Lagopus lagopusWillow Ptarmigan
  • Meleagris gallopavoWild Turkey
  • Rallus elegansKing Rail
  • Tyrannus tyrannusEastern Kingbird
Hurlbert, Olsen, Sawyer & Winner 2021, Avian Diet Database, Scientific Data 8: 260 (CC0)

Direct food only: birds recorded eating this genus across North America. Caterpillars on host plants also feed nesting birds. NC Native Plant Society: butterfly gardening

No records yet · Ants · Beetles · Flies · Adult butterflies / moths · Other wasps · Other insects

Growing and identification

Plant details

Family
Cyperaceae
Flower color
Yellow, green or brown

Safety has not been reviewed for this plant; check toxicity and thorns before planting.

Growing sources and scope
Also known as

Sandy field Beaksedge

Conservation status

Florida rankS4
Global rankG5
FL statusNot verified
Federal statusNot verified

Conservation source Global and federal source

In your garden

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Sources