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Southern Hornwort

Ceratophyllum australe

Also listed as Ceratophyllum muricatum subsp. australe

Found in ponds, pools, slow-moving streams, solution holes in pine rocklands. FloraQuest, phone app (app page) What its natural habitat tells you

13
Modest

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

Profile 71%

Light
Partial shade, Full shade
Soil moisture
Dry
Will it fit your yard?

At a glance

Bloom
May to September

Not yet recorded · Height · Spread · Life cycle · Leaves

Height: NC species account not read yet.

Spread, life cycle and leaves: no source found yet.

This plant is missing most of its facts, so Quercus is looking them up in old botany books.

Recorded in 5 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

Ponds, lakes and their shores

Georgia pond and emergent wetland
Regional / representative. Shown: Chattahoochee River National Recreation Area, Georgia; representative pond ecosystem, a neighboring state.Georgia pond and emergent wetland, Robert 'Bob' Hynes, 1997. Public domain. Source record.

Streams, rivers and their banks

Flowing water and its banks, bars and rocky shoals.

All habitats

Ecological relationships

Who uses this plant?

What these records mean

0CaterpillarsGenus host records with ranges including FL
0BeesSoutheastern regional records
0Specialist beesPollen specialists
9BirdsRecorded genus food-resource interactions; not a state feeding claim

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

  • Agelaius phoeniceusRed-winged Blackbird
  • Anas platyrhynchosMallard
  • Aythya affinisLesser Scaup
  • Aythya collarisRing-necked Duck
  • Cygnus olorMute Swan
  • Fulica americanaAmerican Coot
  • Gallinula galeataCommon Gallinule
  • Mareca streperaGadwall
  • Spatula clypeataNorthern Shoveler
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
Ceratophyllaceae

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

Growing sources and scope
  • Bloom · “May to September” · FloraQuest: Carolinas, Georgia (Southeastern Flora Team), phone app (app page) · Carolinas and Georgia
  • Light · “Partial shade; Full shade (documented habitat)” · FloraQuest: Carolinas, Georgia (Southeastern Flora Team), phone app (app page) · Carolinas and Georgia
  • Soil · “Dry (documented habitat)” · FloraQuest: Carolinas, Georgia (Southeastern Flora Team), phone app (app page) · Carolinas and Georgia
Also known as

Ceratophyllum muricatum subsp. australe

Conservation status

Florida rankSNR
Global rankG5TNR [G5]
FL statusNot verified
Federal statusNot verified

Conservation source Global and federal source

In your garden

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Sources