Pityopsis graminifolia(Michx.) Nutt.

narrowleaf silkgrass

WFO wfo-0000022894 Accepted WFO 2026-06 8 photographs CC0 / CC BY

Plate 1 figs. a–h · 8 separate observations

Pityopsis graminifolia, photographed by John Kees
fig. a John Kees, CC0 1.0 / 2022-06-03 / obs. 203111843
Pityopsis graminifolia, photographed by Zihao Wang
fig. b Zihao Wang, CC BY 4.0 / obs. 167575918
Pityopsis graminifolia, photographed by Dax Ledesma
fig. c Dax Ledesma, CC BY 4.0 / obs. 163874871
Pityopsis graminifolia, photographed by Tom Field
fig. d Tom Field, CC BY 4.0 / obs. 146529929
Pityopsis graminifolia, photographed by Dax Ledesma
fig. e Dax Ledesma, CC BY 4.0 / obs. 100569504
Pityopsis graminifolia, photographed by Michael Ellis
fig. f Michael Ellis, CC BY 4.0 / obs. 104395674
Pityopsis graminifolia, photographed by Evelyn Davis
fig. g Evelyn Davis, CC BY 4.0 / obs. 73473657
Pityopsis graminifolia, photographed by Erin Lalime
fig. h Erin Lalime, CC BY 4.0 / obs. 147602150

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 26 botanical countries

Regions where Pityopsis graminifolia is native: Alabama, Arkansas, Delaware, Florida, Georgia, Kentucky, Louisiana, Maryland, Mexico Central, Mexico Gulf, Mexico Northeast, Mexico Southeast, Mexico Southwest, Mississippi, New Jersey, North Carolina, Ohio, South Carolina, Tennessee, Texas, Virginia, West Virginia, Bahamas, Belize, Guatemala, Honduras AlabamaArkansasFloridaGeorgiaKentuckyLouisianaMarylandMexico CentralMexico GulfMexico NortheastMexico SoutheastMexico SouthwestMississippiNew JerseyNorth CarolinaOhioSouth CarolinaTennesseeTexasVirginiaWest VirginiaBelizeGuatemalaHonduras DelawareBahamas
Native distribution of Pityopsis graminifolia, 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
Delaware DEL
Florida FLA
Georgia GEO
Kentucky KTY
Louisiana LOU
Maryland MRY
Mexico Central MXC
Mexico Gulf MXG
Mexico Northeast MXE
Mexico Southeast MXT
Mexico Southwest MXS
Mississippi MSI
New Jersey NWJ
North Carolina NCA
Ohio OHI
South Carolina SCA
Tennessee TEN
Texas TEX
Virginia VRG
West Virginia WVA
Bahamas BAH SOUTHERN AMERICA
Belize BLZ
Guatemala GUA
Honduras HON

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.

Flowering 80 in flower of 84 examined

Peak flowering in Jan. Each bar is the share of Pityopsis graminifolia observations in which someone actually recorded the reproductive state and found the plant in flower, not the raw number of flowering records. That distinction matters: people observe plants far more in spring than in winter, so a bare count of flowering records partly measures when people go outside. Dividing by the number examined removes that. 80 of 84 examined observations were in flower, every one of them research grade. The whisker on each bar is a 95% Wilson interval. 7 months have fewer than 5 examined observations, so no proportion is drawn for them. This is still a global aggregate and not a forecast for your garden: the same species flowers on different dates in different hemispheres. Where a species has fewer than 30 flowering records we do not draw this chart at all. Computed from 10.15468/dl.cgje2x.

Also published as 43 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.

  • Chrysopsis argentea (Pers.) Elliott
  • Chrysopsis correllii Fernald
  • Chrysopsis graminifolia (Michx.) Nutt. ex Torr. & A.Gray
  • Chrysopsis graminifolia (Michx.) Elliott
  • Chrysopsis graminifolia var. graminifolia
  • Chrysopsis graminifolia var. latifolia Fernald
  • Chrysopsis graminifolia var. microcephala (Small) Cronquist
  • Chrysopsis latifolia Small
  • Chrysopsis microcephala Small
  • Chrysopsis nervosa (Willd.) Fernald
  • Chrysopsis nervosa var. nervosa
  • Chrysopsis nervosa var. stenolepis Fernald
  • Chrysopsis nervosa var. virgata Fernald
  • Chrysopsis tracyi Small
  • Diplemium nervosum (Willd.) Raf.
  • Diplogon graminifolium (Michx.) Kuntze
  • Diplogon graminifolium Raf.
  • Diplogon stenophyllum Raf. ex DC.
  • Diplopappus sericeus Hook.
  • Erigeron glandulosus Poir.
  • Erigeron nervosus Willd.
  • Haplopappus gramineus Benth.
  • Heterotheca correllii (Fernald) H.E.Ahles
  • Heterotheca graminifolia (Michx.) Shinners

and 19 more.

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.