
Summary
Pogostemon helferi, also known as dao-noi, is a species of Thai aquatic plant. It is a common ornamental plant in aquariums.
Quoted from Wikipedia, "Pogostemon helferi", CC BY-SA 4.0.
Cultivation
Climate across the habitat
Natural habitat
Photographs
Photographs: (c) Apichart Songsangchun, some rights reserved (CC BY); S.Tanaka~commonswiki, Public domain, via Wikimedia Commons; S.Tanaka, Public domain, via Wikimedia Commons.
Related
Other Pogostemon 6 in the reference
Pogostemon auricularius Lamiaceae Photo: CC BY, Jared Shorma
Pogostemon formosanus Lamiaceae Photo: CC BY, Jacy Chen
Pogostemon stellatus Water star Photo: CC BY, JR Ferrer-Paris
Pogostemon yatabeanus Jeonju pogostemon Photo: CC BY, Oleg Kosterin Names & registers
Also known as Anuragia helferi; Dysophylla helferi; Eusteralis helferi. (GBIF Backbone)
The record
Every figure here is derived from public data by a stated rule and names its source; nothing about this species is written for its page by a person or by AI, apart from the marked, credited quotations. How →
Where this page came from built 2026-10-22
gbif.species answeredasked 2026-10-22gbif.synonyms answeredasked 2026-10-22gbif.vernacular answeredasked 2026-10-22names fetched 2026-10-22wcvp.distribution answeredas of 2026-06-04gbif.occurrences answeredasked 2026-10-22GBIF occurrence download https://doi.org/10.15468/dl.hbdw64, of 2026-10-21; 0 records of GBIF's key 3897023, Eusteralis helferi (Hook.f.) Majumdar, 1977 (Kew's file holds it as Eusteralis helferi (Hook.f.) Panigrahi (synonym under Pogostemon helferi (Hook.f.) Press)): GBIF occurrence search APIclimate nothing to reportasked 2026-10-22only 2 distinct land cells of the climate grid hold an in-range record placed to within 10 km; three are needed for an envelopewikidata answeredasked 2026-10-22wikipedia answeredasked 2026-10-22inat.photos.wild answeredasked 2026-10-22from iNaturalist's open data of 2026-09-27: research-grade observations with an open-licence photograph, the 24 whose photographs iNaturalist received last (the open data holds no votes); filled 2026-10-22inat.photos.cultivated not askedgbif.media answeredasked 2026-10-22none of the photographs on this page is credited to GBIF: those shown are other sources', and GBIF's were the same photographs or were set aside by the photograph rulescommons answeredasked 2026-10-22openalex not askednot yet asked for this reference; a later fill takes the papers from OpenAlex's snapshotEvery source is recorded as having answered, reported nothing, refused, failed, not been asked, or answered twice where one answer is taken (“not taken: two items answered”), and, for a source asked when this page was built, when: the figures are as the source held them that day; a source read from a file (Kew's World Checklist, a GBIF download) says "as of" the file's day instead; a row carried from an earlier build of the page names that build instead. Only “nothing to report” is ever shown as an absence. Records came from 3 datasets via GBIF.org; each carries its own licence.

