Plantae > Tracheophyta > Magnoliopsida > Ceratophyllales > Ceratophyllaceae > Ceratophyllum > Ceratophyllum demersum

Ceratophyllum demersum (hornwort; coontail; coon's tail; coon's-tail; common hornwort)

Synonyms:

Wikipedia Abstract

Ceratophyllum demersum, commonly known as hornwort, rigid hornwort, coontail, or coon's tail, is a species of Ceratophyllum. It is a submerged, free-floating aquatic plant, with a cosmopolitan distribution, native to all continents except Antarctica. It is a harmful introduced weed in New Zealand. It is also a popular aquarium plant.
View Wikipedia Record: Ceratophyllum demersum

Infraspecies

Ceratophyllum demersum f. demersum
Ceratophyllum demersum f. missionis
Ceratophyllum demersum var. apiculatum
Ceratophyllum demersum var. demersum
Ceratophyllum demersum var. inerme

Invasive Species

View ISSG Record: Ceratophyllum demersum

Attributes

Bloom Period [1]  Summer
Drought Tolerance [1]  None
Edible [2]  May be edible. See the Plants For A Future link below for details.
Flower Type [2]  Monoecious
Frost Free Days [1]  3 months 20 days
Fruit/Seed Abundance [1]  Low
Fruit/Seed Begin [1]  Summer
Fruit/Seed End [1]  Fall
Growth Form [1]  Multiple Stem
Growth Period [1]  Summer
Growth Rate [1]  Rapid
Leaf Type [1]  Deciduous
Lifespan [2]  Perennial
Pollinators [2]  Water
Propagation [1]  Seed, Sprig
Regrowth Rate [1]  Slow
Seed Spread Rate [1]  Rapid
Seed Vigor [1]  High
Seeds Per [1]  165000 / lb (363762 / kg)
Shape/Orientation [1]  Prostrate
Structure [4]  Herb
Vegetative Spread Rate [1]  Rapid
Flower Color [1]  Blue
Foliage Color [1]  Gray-Green
Fruit Color [1]  White
Height [2]  39 inches (1 m)
Hardiness Zone Minimum [1]  USDA Zone: 3 Low Temperature: -40 F° (-40 C°) → -30 F° (-34.4 C°)
Light Preference [3]  Mostly Sunny
Soil Acidity [3]  Neutral
Soil Fertility [3]  Rich
Soil Moisture [3]  Submerged
Water Use [1]  High
Screening - Summer [1]  Porous
Screening - Winter [1]  Porous
View Plants For A Future Record : Ceratophyllum demersum

Ecoregions

Name Countries Ecozone Biome Species Report Climate Land
Use
Central & Western Europe Austria, Belgium, Byelarus, Czech Republic, Denmark, France, Germany, Liechtenstein, Lithuania, Luxembourg, Netherlands, Poland, Russia, Slovakia, Switzerland, Ukraine, United Kingdom Palearctic Temperate Floodplain River and Wetlands    
Upper Danube Austria, Croatia, Czech Republic, Germany, Hungary, Italy, Poland, Slovakia, Slovenia, Switzerland Palearctic Temperate Floodplain River and Wetlands    

Protected Areas

Predators

External References

USDA Plant Profile

NatureServe Explorer

Citations

Attributes / relations provided by
♦ 1USDA Plants Database, U. S. Department of Agriculture
♦ 2Plants For A Future licensed under a Creative Commons Attribution 4.0 License
♦ 3ECOFACT 2a Technical Annex - Ellenberg’s indicator values for British Plants, M O Hill, J O Mountford, D B Roy & R G H Bunce (1999)
♦ 4Kattge, J. et al. (2011b) TRY - a global database of plant traits Global Change Biology 17:2905-2935
♦ 5Jorrit H. Poelen, James D. Simons and Chris J. Mungall. (2014). Global Biotic Interactions: An open infrastructure to share and analyze species-interaction datasets. Ecological Informatics.
♦ 6Oriental Stork, BirdLife International (2001) Threatened birds of Asia: the BirdLife International Red Data Book. Cambridge, UK: BirdLife International.
♦ 7HOSTS - a Database of the World's Lepidopteran Hostplants Gaden S. Robinson, Phillip R. Ackery, Ian J. Kitching, George W. Beccaloni AND Luis M. Hernández
♦ 8del Hoyo, J., Elliott, A., Sargatal, J., Christie, D.A. & de Juana, E. (eds.). Handbook of the Birds of the World Alive. Lynx Edicions, Barcelona.
♦ 9Biological Records Centre Database of Insects and their Food Plants
♦ 10Dietary Overlap in Three Sympatric Congeneric Freshwater Turtles (Pseudemys) in Florida, Karen A. Bjorndal, Alan B. Bolten, Cynthia J. Lagueux and Dale R. Jackson, Chelonian Conservation Biology, 1997, 2(3):430-433
♦ 11Food Habits and Selective Foraging by the Texas River Cooter (Pseudemys texana) in Spring Lake, Hays County, Texas, JACQUELINE R. FIELDS, THOMAS R. SIMPSON, RICHARD W. MANNING, AND FRANCIS L. ROSE, Journal of Herpetology, Vol. 37, No. 4, pp. 726–729, 2003
Ecoregions provided by World Wide Fund For Nature (WWF). WildFinder: Online database of species distributions, ver. 01.06 Wildfinder Database
Abstract provided by DBpedia licensed under a Creative Commons License
Species taxanomy provided by GBIF Secretariat (2022). GBIF Backbone Taxonomy. Checklist dataset https://doi.org/10.15468/39omei accessed via GBIF.org on 2023-06-13; License: CC BY 4.0