Barbarea verna (Mill.) Asch., 1860 39% complete

American cress

Fl. Brandenburg 1(1):36. 1860

Data sources

Each value Trefle shows for Barbarea verna, 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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Sourced10 Differs from sources2 Source not recorded14 Not on the record8 Sources: TRY Plant Trait Database, POWO / WCVP (Kew)
Field Shown What the sources say
Core
Author (Mill.) Asch. Sourced
Bibliography Fl. Brandenburg 1(1):36. 1860 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 1860 No source recorded
Source not recorded
Descriptive
Common name American cress No source recorded
Source not recorded
Observations Azores, SW. Europe to C. Italy No source recorded
Source not recorded
Morphology
Average height 33 cm
  • 32.5 cm · TRY Plant Trait Database · Measured · 6 observations · 2026-10-09
    TRY 7.0 datasets 25, 164, 174, 178, 882
2 earlier or rejected values
  • Superseded 32.5 cm · TRY Plant Trait Database · Measured · 6 observations · 2026-10-09
    TRY 7.0 datasets 25, 164, 174, 178, 882
  • Superseded 32.5 cm · TRY Plant Trait Database · Measured · 6 observations · 2026-09-17
    TRY 7.0 datasets 25, 164, 174, 178, 882
Differs from sources
Biological type hemicryptophyte
  • hemicryptophyte · TRY Plant Trait Database · Measured · 9 observations · 2026-10-09
    TRY 7.0 datasets 4, 25, 71, 164, 174, 178, 918
2 earlier or rejected values
  • Superseded hemicryptophyte · TRY Plant Trait Database · Measured · 9 observations · 2026-10-09
    TRY 7.0 datasets 4, 25, 71, 164, 174, 178, 918
  • Superseded hemicryptophyte · TRY Plant Trait Database · Measured · 9 observations · 2026-09-17
    TRY 7.0 datasets 4, 25, 71, 164, 174, 178, 918
Sourced
Flower color yellow
2 earlier or rejected values
Sourced
Foliage texture empty
2 earlier or rejected values
Not on the record
Fruit shape silique
2 earlier or rejected values
Sourced
Growth habit Forb/herb No source recorded
Source not recorded
Maximum height 73 cm
  • 72.5 cm · TRY Plant Trait Database · Measured · 6 observations · 2026-10-09
    TRY 7.0 datasets 25, 164, 174, 178, 882
2 earlier or rejected values
  • Superseded 72.5 cm · TRY Plant Trait Database · Measured · 6 observations · 2026-10-09
    TRY 7.0 datasets 25, 164, 174, 178, 882
  • Superseded 72.5 cm · TRY Plant Trait Database · Measured · 6 observations · 2026-09-17
    TRY 7.0 datasets 25, 164, 174, 178, 882
Differs from sources
Sexuality empty
2 earlier or rejected values
Not on the record
Vegetable true No source recorded
Source not recorded
Phenology
Bloom months jan, apr
2 earlier or rejected values
Sourced
Duration annual, biennial
  • annual, biennial · TRY Plant Trait Database · Measured · 10 observations · 2026-10-09
    TRY 7.0 datasets 4, 164, 178, 882, 918
2 earlier or rejected values
  • Superseded annual, biennial · TRY Plant Trait Database · Measured · 10 observations · 2026-10-09
    TRY 7.0 datasets 4, 164, 178, 882, 918
  • Superseded annual, biennial · TRY Plant Trait Database · Measured · 10 observations · 2026-09-17
    TRY 7.0 datasets 4, 164, 178, 882, 918
Sourced
Ecology
Atmospheric humidity 6 / 9 · moderately humid air No source recorded
Source not recorded
Ground humidity empty
  • 5 / 12 · fresh, never flooded (mesohydric) · TRY Plant Trait Database · Measured · 1 observation · 2026-10-09
    TRY 7.0 datasets 178
2 earlier or rejected values
  • Superseded 5 / 12 · fresh, never flooded (mesohydric) · TRY Plant Trait Database · Measured · 1 observation · 2026-10-09
    TRY 7.0 datasets 178
  • Superseded 5 / 12 · fresh, never flooded (mesohydric) · TRY Plant Trait Database · Measured · 1 observation · 2026-09-17
    TRY 7.0 datasets 178
Not on the record
Light 8 / 9 · light
2 earlier or rejected values
Sourced
Nitrogen fixation None
2 earlier or rejected values
Sourced
Ph maximum pH 6.5 No source recorded
Source not recorded
Ph minimum pH 5.5 No source recorded
Source not recorded
Soil nutriments 6 / 9 · rather rich (meso-eutrophic)
  • 6 / 9 · rather rich (meso-eutrophic) · TRY Plant Trait Database · Measured · 1 observation · 2026-10-09
    TRY 7.0 datasets 178
2 earlier or rejected values
  • Superseded 6 / 9 · rather rich (meso-eutrophic) · TRY Plant Trait Database · Measured · 1 observation · 2026-10-09
    TRY 7.0 datasets 178
  • Superseded 6 / 9 · rather rich (meso-eutrophic) · TRY Plant Trait Database · Measured · 1 observation · 2026-09-17
    TRY 7.0 datasets 178
Sourced
Soil salinity 0 / 9 · absent from saline soils
  • 0 / 9 · absent from saline soils · TRY Plant Trait Database · Measured · 2 observations · 2026-10-09
    TRY 7.0 datasets 178, 242
2 earlier or rejected values
  • Superseded 0 / 9 · absent from saline soils · TRY Plant Trait Database · Measured · 2 observations · 2026-10-09
    TRY 7.0 datasets 178, 242
  • Superseded 0 / 9 · absent from saline soils · TRY Plant Trait Database · Measured · 2 observations · 2026-09-17
    TRY 7.0 datasets 178, 242
Sourced
Cultivation
Planting row spacing 10 cm No source recorded
Source not recorded
Planting sowing description Direct seed outdoors, thin to 10cm No source recorded
Source not recorded
Other
Halophyte status —
2 earlier or rejected values
Not on the record
Propagation method —
2 earlier or rejected values
Not on the record
Shade tolerance —
2 earlier or rejected values
Not on the record
Soil ph indicator —
2 earlier or rejected values
Not on the record
Temperature indicator —
2 earlier or rejected values
Not on the record