Erigeron annuus (L.) Pers., 1807 52% complete

Daisy fleabane

Syn. Pl. 2(2): 431 (1807)

Data sources

Each value Trefle shows for Erigeron annuus, 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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Sourced18 Differs from sources1 Source not recorded11 Not on the record5 Sources: TRY Plant Trait Database, Earlier Trefle data
Field Shown What the sources say
Core
Author (L.) Pers. No source recorded
Source not recorded
Bibliography Syn. Pl. 2(2): 431 (1807) 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 1807 No source recorded
Source not recorded
Descriptive
Common name Daisy fleabane No source recorded
Source not recorded
Family common name Aster family No source recorded
Source not recorded
Observations Canada to U.S.A., Nicaragua to Panama No source recorded
Source not recorded
Morphology
Average height 74 cm
  • 74 cm · TRY Plant Trait Database · Measured · 64 observations · 2026-10-09
    TRY 7.0 datasets 25, 50, 66, 116, 133, 164, 203, 251, 273, 335, 500, 569, 574, 853, 897, 918
Sourced
Flower color white Sourced
Flower conspicuous true
  • true · Earlier Trefle data · Reported · 2026-10-19
    value present before provenance tracking (2022 import), no source recorded
Sourced
Foliage texture medium Sourced
Fruit conspicuous false No source recorded
Source not recorded
Fruit shape empty Not on the record
Growth form Single Crown
  • Single Crown · Earlier Trefle data · Reported · 2026-10-19
    value present before provenance tracking (2022 import), no source recorded
Sourced
Growth habit Forb/herb
  • Forb/herb · Earlier Trefle data · Reported · 2026-10-19
    value present before provenance tracking (2022 import), no source recorded
Sourced
Growth rate Moderate
  • Moderate · Earlier Trefle data · Reported · 2026-10-19
    value present before provenance tracking (2022 import), no source recorded
Sourced
Maximum height 98 cm
  • 98 cm · TRY Plant Trait Database · Measured · 3 observations · 2026-10-09
    TRY 7.0 datasets 25, 50, 66, 116, 133, 164, 203, 251, 273, 335, 500, 569, 574, 853, 897, 918
Sourced
Sexuality empty Not on the record
Vegetable false No source recorded
Source not recorded
Phenology
Bloom months may, jun, jul Sourced
Duration annual, biennial, perennial
  • annual, biennial, perennial · TRY Plant Trait Database · Measured · 14 observations · 2026-10-09
    TRY 7.0 datasets 4, 25, 71, 164, 203, 818, 918, 925
Sourced
Ecology
Atmospheric humidity 7 / 9 · humid air
  • 7 / 9 · humid air · Earlier Trefle data · Reported · 2026-10-19
    value present before provenance tracking (2022 import), no source recorded
Sourced
Ground humidity 6 / 12 · moist (meso-hygrophilous)
  • 6 / 12 · moist (meso-hygrophilous) · TRY Plant Trait Database · Measured · 3 observations · 2026-10-09
    TRY 7.0 datasets 203, 242, 489
Sourced
Light 8 / 9 · light Sourced
Nitrogen fixation None Sourced
Ph maximum pH 7.5
  • pH 7.5 · Earlier Trefle data · Inferred · 2026-10-19
    value present before provenance tracking (2022 import), no source recorded derived from a Baseflor soil reaction class by the 2022 import, a class not a measurement
Sourced
Ph minimum pH 7
  • pH 7 · Earlier Trefle data · Inferred · 2026-10-19
    value present before provenance tracking (2022 import), no source recorded derived from a Baseflor soil reaction class by the 2022 import, a class not a measurement
Sourced
Soil nutriments 7 / 9 · rich (eutrophic)
  • 6 / 9 · rather rich (meso-eutrophic) · TRY Plant Trait Database · Measured · 5 observations · 2026-10-09
    TRY 7.0 datasets 242, 489
Differs from sources
Soil salinity 0 / 9 · absent from saline soils
  • 0 / 9 · absent from saline soils · TRY Plant Trait Database · Measured · 5 observations · 2026-10-09
    TRY 7.0 datasets 242, 489
Sourced
Cultivation
Minimum root depth 64 cm Sourced
Usda legacy
C n ratio empty Not on the record
Other
Soil ph indicator — Not on the record
Temperature indicator — Not on the record