Plantae > Tracheophyta > Magnoliopsida > Saxifragales > Crassulaceae > Crassula > Crassula helmsii

Crassula helmsii (swamp stonecrop)

Synonyms: Bulliarda recurva; Crassula recurva (heterotypic); Tillaea helmsii (homotypic); Tillaea recurva; Tillaea verticillaris

Wikipedia Abstract

Crassula helmsii, known as swamp stonecrop or New Zealand pigmyweed, is an aquatic or semiterrestrial species of succulent plant in the family Crassulaceae. Originally found in Australia and New Zealand, it has been introduced around the world. In the United Kingdom, this plant is one of five introduced aquatic plants which were banned from sale from April 2014. This is the first ban of its kind in the country.
View Wikipedia Record: Crassula helmsii

Invasive Species

View ISSG Record: Crassula helmsii

Attributes

Allergen Potential [1]  Low
Height [2]  3.937 inches (.1 m)
Lifespan [2]  Perennial
Structure [4]  Herb
Light Preference [3]  Mostly Sunny
Soil Acidity [3]  Moderate Acid
Soil Fertility [3]  Rich
Soil Moisture [3]  Wet

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    
Eastern Coastal Australia Australia Australasia Tropical and Subtropical Coastal Rivers    
Murray - Darling Australia Australasia Temperate Floodplain River and Wetlands    

Protected Areas

External References

USDA Plant Profile

Citations

Attributes / relations provided by
♦ 1Derived from Allergy-Free Gardening OPALS™, Thomas Leo Ogren (2000)
♦ 2PLANTATT - Attributes of British and Irish Plants: Status, Size, Life History, Geography and Habitats, M. O. Hill, C. D. Preston & D. B. Roy, Biological Records Centre, NERC Centre for Ecology and Hydrology (2004)
♦ 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
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