Poa pratensis L., 1753 54% complete

Smooth meadow grass

Sp. Pl.: 67 (1753)

Data sources

Each value Trefle shows for Poa pratensis, with what every source says about it. When sources disagree, the strongest source is shown (how sources are ranked). Values imported before sources were recorded one by one are marked Source not recorded.

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Sourced16 Differs from sources4 Source not recorded11 Not on the record10 Sources: TRY Plant Trait Database, Earlier Trefle data
Field Shown What the sources say
Core
Author L. No source recorded
Source not recorded
Bibliography Sp. Pl.: 67 (1753) No source recorded
Source not recorded
Phylum Tracheophyta No source recorded
Source not recorded
Rank species No source recorded
Source not recorded
Status accepted No source recorded
Source not recorded
Year 1753 No source recorded
Source not recorded
Descriptive
Common name Smooth meadow grass No source recorded
Source not recorded
Observations Subarctic to Temp. Northern Hemisphere and N. Mexico No source recorded
Source not recorded
Morphology
Average height 28 cm
  • 27.75 cm · TRY Plant Trait Database · Measured · 412 observations · 2026-10-09
    TRY 7.0 datasets 7, 25, 28, 45, 66, 76, 80, 86, 92, 116, 133, 164, 174, 175, 178, 193, 203, 310, 335, 347, 353, 428, 468, 500, 519, 569, 589, 866, 882, 897, 917, 918, 925, 926
Differs from sources
Biological type geophyte
  • geophyte · TRY Plant Trait Database · Measured · 117 observations · 2026-10-09
    TRY 7.0 datasets 4, 25, 71, 164, 174, 175, 178, 203, 264, 500, 918, 925
Sourced
Flower color empty Not on the record
Flower conspicuous false No source recorded
Source not recorded
Foliage color empty Not on the record
Foliage texture fine Differs from sources
Fruit color empty Not on the record
Fruit conspicuous false No source recorded
Source not recorded
Fruit shape caryopsis Sourced
Growth form Rhizomatous
  • Rhizomatous · Earlier Trefle data · Reported · 2026-10-19
    value present before provenance tracking (2022 import), no source recorded
Sourced
Growth habit Graminoid
  • Graminoid · Earlier Trefle data · Reported · 2026-10-19
    value present before provenance tracking (2022 import), no source recorded
Sourced
Growth rate Rapid Differs from sources
Maximum height 80 cm
  • 80 cm · TRY Plant Trait Database · Measured · 7 observations · 2026-10-09
    TRY 7.0 datasets 7, 25, 28, 45, 66, 76, 80, 86, 92, 116, 133, 164, 174, 175, 178, 193, 203, 310, 335, 347, 353, 428, 468, 500, 519, 569, 589, 866, 882, 897, 917, 918, 925, 926
Sourced
Sexuality hermaphrodite Sourced
Vegetable false No source recorded
Source not recorded
Phenology
Bloom months apr, may, jun, jul
  • apr, may, jun, jul · TRY Plant Trait Database · Measured · 22 observations · 2026-10-20
    TRY 7.0 datasets 4, 45, 80, 163, 174, 203, 264, 833
1 earlier or rejected value
  • Superseded jan, apr, may, jun, jul · TRY Plant Trait Database · Measured · 22 observations · 2026-10-09
    TRY 7.0 datasets 4, 45, 80, 163, 174, 203, 264, 833
Sourced
Duration perennial
  • perennial · TRY Plant Trait Database · Measured · 163 observations · 2026-10-09
    TRY 7.0 datasets 4, 7, 25, 28, 71, 86, 92, 110, 164, 175, 178, 193, 203, 264, 365, 432, 460, 818, 882, 918, 925
Sourced
Ecology
Atmospheric humidity 5 / 9 · medium air humidity
  • 5 / 9 · medium air humidity · Earlier Trefle data · Reported · 2026-10-19
    value present before provenance tracking (2022 import), no source recorded
Sourced
Ground humidity 5 / 12 · fresh, never flooded (mesohydric)
  • 5 / 12 · fresh, never flooded (mesohydric) · TRY Plant Trait Database · Measured · 3 observations · 2026-10-09
    TRY 7.0 datasets 178, 489
Sourced
Light 8 / 9 · light
  • 7 / 9 · half-light to light · TRY Plant Trait Database · Measured · 2 observations · 2026-10-09
    TRY 7.0 datasets 178, 489
Differs from sources
Nitrogen fixation None
  • None · TRY Plant Trait Database · Measured · 34 observations · 2026-10-09
    TRY 7.0 datasets 20, 57, 67, 71, 96, 110, 130, 193, 444, 445, 822
Sourced
Ph maximum pH 7.5
  • pH 7.5 · Earlier Trefle data · Reported · 2026-10-19
    value present before provenance tracking (2022 import), no source recorded
Sourced
Ph minimum pH 5.8
  • pH 5.8 · Earlier Trefle data · Reported · 2026-10-19
    value present before provenance tracking (2022 import), no source recorded
Sourced
Soil nutriments 6 / 9 · rather rich (meso-eutrophic)
  • 6 / 9 · rather rich (meso-eutrophic) · TRY Plant Trait Database · Measured · 2 observations · 2026-10-09
    TRY 7.0 datasets 178, 242
Sourced
Soil salinity 0 / 9 · absent from saline soils
  • 0 / 9 · absent from saline soils · TRY Plant Trait Database · Measured · 3 observations · 2026-10-09
    TRY 7.0 datasets 178, 242
Sourced
Cultivation
Minimum root depth 36 cm
  • 36 cm · TRY Plant Trait Database · Measured · 14 observations · 2026-10-09
    TRY 7.0 datasets 92, 339, 432, 608, 818
Sourced
Usda legacy
C n ratio empty
  • 26.7 · TRY Plant Trait Database · Measured · 50 observations · 2026-10-09
    TRY 7.0 datasets 7, 70, 76, 193, 347, 412, 468
Not on the record
Other
Human usage type — Not on the record
Propagation method — Not on the record
Salt tolerance — Not on the record
Shade tolerance — Not on the record
Soil ph indicator — Not on the record
Temperature indicator — Not on the record