Lechea tenuifoliaMichx.

narrowleaf pinweed

WFO wfo-0001295612 Accepted WFO 2026-06 8 photographs CC0 / CC BY

Plate 1 figs. a–h · 8 separate observations

Lechea tenuifolia, photographed by Sam Kieschnick
fig. a Sam Kieschnick, CC BY 4.0 / 2020-07-02 / obs. 82212117
Lechea tenuifolia, photographed by Alison Northup
fig. b Alison Northup, CC BY 4.0 / obs. 59133614
Lechea tenuifolia, photographed by Nathan Aaron
fig. c Nathan Aaron, CC BY 4.0 / obs. 57784233
Lechea tenuifolia, photographed by Eric Knight
fig. d Eric Knight, CC BY 4.0 / obs. 42743570
Lechea tenuifolia, photographed by cwarneke
fig. e cwarneke, CC0 1.0 / obs. 23803808
Lechea tenuifolia, photographed by Sam Kieschnick
fig. f Sam Kieschnick, CC BY 4.0 / obs. 2061283
Lechea tenuifolia, photographed by Sam Kieschnick
fig. g Sam Kieschnick, CC BY 4.0 / obs. 201257067
Lechea tenuifolia, photographed by Nathan Aaron
fig. h Nathan Aaron, CC BY 4.0 / obs. 62231880

Every figure is a research-grade observation under CC0, CC BY or CC BY-SA, rehosted with the photographer’s name, the licence and the observation it came from. Photographs under a NonCommercial licence are excluded from this site and are never stored, which costs us a great many pictures and is not negotiable.

Native range 34 botanical countries

Regions where Lechea tenuifolia is native: Alabama, Arkansas, Connecticut, Delaware, Georgia, Illinois, Indiana, Iowa, Kansas, Kentucky, Louisiana, Maine, Maryland, Massachusetts, Minnesota, Mississippi, Missouri, Nebraska, New Hampshire, New Jersey, New Mexico, New York, North Carolina, Ohio, Oklahoma, Pennsylvania, Rhode I., South Carolina, Tennessee, Texas, Vermont, Virginia, West Virginia, Wisconsin AlabamaArkansasConnecticutGeorgiaIllinoisIndianaIowaKansasKentuckyLouisianaMaineMarylandMassachusettsMinnesotaMississippiMissouriNebraskaNew HampshireNew JerseyNew MexicoNew YorkNorth CarolinaOhioOklahomaPennsylvaniaSouth CarolinaTennesseeTexasVermontVirginiaWest VirginiaWisconsin DelawareRhode I.
Native distribution of Lechea tenuifolia, after Kew’s World Checklist of Vascular Plants. Introduced, extinct and doubtful records are excluded, so this is where the plant is from, not everywhere it now grows. Regions too small to draw at this scale are marked with a dot.
RegionTDWG codeContinent
Alabama ALA NORTHERN AMERICA
Arkansas ARK
Connecticut CNT
Delaware DEL
Georgia GEO
Illinois ILL
Indiana INI
Iowa IOW
Kansas KAN
Kentucky KTY
Louisiana LOU
Maine MAI
Maryland MRY
Massachusetts MAS
Minnesota MIN
Mississippi MSI
Missouri MSO
Nebraska NEB
New Hampshire NWH
New Jersey NWJ
New Mexico NWM
New York NWY
North Carolina NCA
Ohio OHI
Oklahoma OKL
Pennsylvania PEN
Rhode I. RHO
South Carolina SCA
Tennessee TEN
Texas TEX
Vermont VER
Virginia VRG
West Virginia WVA
Wisconsin WIS

Region boundaries approximated from Natural Earth (public domain) and mapped to TDWG World Geographical Scheme for Recording Plant Distributions (WGSRPD) level-3 botanical countries (Brummitt 2001). Indicative, not the official WGSRPD geometry.

Also published as 6 synonyms

A synonym is not an error. It is a record of botanists disagreeing, in print, about where this plant belongs. Each of these was somebody’s considered answer.

  • Lechea juncifolia Walter
  • Lechea tenuifolia var. occidentalis Hodgdon
  • Lechea tenuifolia var. tenuifolia
  • Lechea verna Raf.
  • Lechea virgata Raf.
  • Lechea virgata var. breviflora Raf.

Sourcesevery claim on this page

  1. World Flora Online Plant List. accepted name, authority, classification. CC0. Retrieved 2026-07-12.
  2. iNaturalist. photographs and flowering annotations, CC0 / CC BY / CC BY-SA only. per photograph. Retrieved 2026-06-27.
  3. Wikidata. common name (P1843), joined on the World Flora Online identifier (P7715). CC0. Retrieved 2026-07-13.
  4. Kew, World Checklist of Vascular Plants (WCVP v16). native distribution by TDWG level-3 botanical country, and life form. CC BY 3.0. Retrieved 2026-06-04.

We publish what we can source and we say so when we cannot. This page has no care advice and no toxicity claim, because we do not yet have those from a source we can cite.