blue mud-plantain
Heteranthera limosa (Sw.) Willd.

Heteranthera limosa, known as blue mud-plantain, is an annual flowering plant in the family Pontederiaceae. It is found in shallow water or on mud and is native to regions including the Nearctic, Neotropical, and parts of Europe and Asia. The species is considered threatened in parts of the central United States and invasive in California, where it affects rice paddies.
Description
Heteranthera limosa (Sw.) Willd. is a member of the Pontederiaceae family and is commonly referred to as blue mud-plantain. It is an annual plant that grows in wetland habitats such as shallow water or muddy areas. The species is distributed across several regions, including BR, CO, Belgium, France, The Netherlands, Great Britain, IT, MK, GR, Greece, Italy, Spain, Macedonia, and parts of the United States. While it is considered a threatened species in some parts of the central U.S., it is also classified as an invasive weed in California, particularly in rice paddies. It is occasionally found in Florida waterways.
Other common names
blue mud-plantainblue mudplantain
Distribution
BR · CO · Nearctic · Neotropical · Belgium · France · The Netherlands · Great Britain · IT · MK · Núcleo Aceites S.A. · GR · Greece · Italy · Spain · Macedonia · Cundinamarca, Huila, Magdalena, Tolima · JP · Llanura del Caribe, Valle del Magdalena · Alabama · Argentina Northeast · Argentina Northwest · Arizona · Arkansas · Bolivia · Brazil Northeast · Brazil Southeast · Brazil West-Central · California · Colombia
Synonyms
Heteranthera alismoidesHeteranthera hydrocleifoliaHeteranthera limosa f. albifloraLeptanthus ovalisLunania unifloraPhrynium limosumPontederia limosaPontederia triandraSchollera limosaTriexastima unifloraSchollera limosaHeteranthera limosa f. limosaHeteranthera limosa