Data sources

Each value Trefle shows for Holcus lanatus, 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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Sourced11 Differs from sources5 Source not recorded17 Not on the record7 Sources: TRY Plant Trait Database

Field	Shown	What the sources say
Core
Author	L.	No source recorded	Source not recorded
Bibliography	Sp. Pl.: 1048 (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	Yorkshire-fog	No source recorded	Source not recorded
Observations	Macaronesia, Medit. to Europe and Caucasus	No source recorded	Source not recorded
Morphology
Average height	42 cm	42.04 cm · TRY Plant Trait Database · Measured · 342 observations · 2026-10-09 TRY 7.0 datasets 25, 28, 45, 65, 80, 86, 88, 92, 108, 116, 164, 174, 178, 192, 203, 249, 310, 327, 347, 353, 449, 468, 507, 520, 526, 589, 617, 654, 706, 775, 807, 861, 882, 897, 898	Differs from sources
Biological type	hemicryptophyte	hemicryptophyte · TRY Plant Trait Database · Measured · 20 observations · 2026-10-09 TRY 7.0 datasets 4, 25, 71, 164, 174, 175, 178, 203, 500, 882, 918	Sourced
Flower color	purple	green · TRY Plant Trait Database · Measured · 1 observation · 2026-10-09 TRY 7.0 datasets 92	Differs from sources
Flower conspicuous	false	No source recorded	Source not recorded
Foliage color	grey	grey, white · TRY Plant Trait Database · Measured · 1 observation · 2026-10-09 TRY 7.0 datasets 92	Differs from sources
Foliage texture	fine	No source recorded	Source not recorded
Fruit color	yellow	yellow · TRY Plant Trait Database · Measured · 1 observation · 2026-10-09 TRY 7.0 datasets 92	Sourced
Fruit conspicuous	false	No source recorded	Source not recorded
Fruit shape	caryopsis	caryopsis · TRY Plant Trait Database · Measured · 7 observations · 2026-10-09 TRY 7.0 datasets 4, 882	Sourced
Growth form	Multiple Stem	No source recorded	Source not recorded
Growth habit	Graminoid	No source recorded	Source not recorded
Growth rate	Moderate	Moderate · TRY Plant Trait Database · Measured · 1 observation · 2026-10-09 TRY 7.0 datasets 92	Sourced
Maximum height	90 cm	90 cm · TRY Plant Trait Database · Measured · 6 observations · 2026-10-09 TRY 7.0 datasets 25, 28, 45, 65, 80, 86, 88, 92, 108, 116, 164, 174, 178, 192, 203, 249, 310, 327, 347, 353, 449, 468, 507, 520, 526, 589, 617, 654, 706, 775, 807, 861, 882, 897, 898	Sourced
Sexuality	andromonoecious	andromonoecious · TRY Plant Trait Database · Measured · 2 observations · 2026-10-09 TRY 7.0 datasets 4	Sourced
Vegetable	false	No source recorded	Source not recorded
Phenology
Bloom months	may, jun, jul, aug	apr, may, jun, jul · TRY Plant Trait Database · Measured · 21 observations · 2026-10-09 TRY 7.0 datasets 4, 45, 80, 203	Differs from sources
Duration	perennial	perennial · TRY Plant Trait Database · Measured · 88 observations · 2026-10-09 TRY 7.0 datasets 4, 25, 28, 65, 71, 86, 92, 110, 164, 175, 178, 203, 460, 752, 818, 882, 918	Sourced
Ecology
Atmospheric humidity	5 / 9 · medium air humidity	No source recorded	Source not recorded
Ground humidity	empty	6 / 12 · moist (meso-hygrophilous) · TRY Plant Trait Database · Measured · 1 observation · 2026-10-09 TRY 7.0 datasets 178	Not on the record
Light	7 / 9 · half-light to light	7 / 9 · half-light to light · TRY Plant Trait Database · Measured · 1 observation · 2026-10-09 TRY 7.0 datasets 178	Sourced
Nitrogen fixation	None	None · TRY Plant Trait Database · Measured · 28 observations · 2026-10-09 TRY 7.0 datasets 20, 37, 57, 71, 89, 110, 130, 444, 445, 882	Sourced
Ph maximum	pH 7	No source recorded	Source not recorded
Ph minimum	pH 4	No source recorded	Source not recorded
Soil nutriments	6 / 9 · rather rich (meso-eutrophic)	5 / 9 · intermediate (mesotrophic) · TRY Plant Trait Database · Measured · 1 observation · 2026-10-09 TRY 7.0 datasets 178	Differs from sources
Soil salinity	1 / 9 · barely saline (hyperoligohaline)	1 / 9 · barely saline (hyperoligohaline) · TRY Plant Trait Database · Measured · 1 observation · 2026-10-09 TRY 7.0 datasets 242	Sourced
Cultivation
Minimum root depth	80 cm	80 cm · TRY Plant Trait Database · Measured · 5 observations · 2026-10-09 TRY 7.0 datasets 92, 192, 818	Sourced
Usda legacy
C n ratio	empty	18.5 · TRY Plant Trait Database · Measured · 42 observations · 2026-10-09 TRY 7.0 datasets 76, 88, 347, 412, 617, 670	Not on the record
Other
Propagation method	—	seed · TRY Plant Trait Database · Measured · 2 observations · 2026-10-09 TRY 7.0 datasets 92, 174	Not on the record
Salt tolerance	—	None · TRY Plant Trait Database · Measured · 1 observation · 2026-10-09 TRY 7.0 datasets 92	Not on the record
Shade tolerance	—	None · TRY Plant Trait Database · Measured · 3 observations · 2026-10-09 TRY 7.0 datasets 92, 174	Not on the record
Soil ph indicator	—	6 · TRY Plant Trait Database · Measured · 2 observations · 2026-10-09 TRY 7.0 datasets 178, 203, 489	Not on the record
Temperature indicator	—	5 · TRY Plant Trait Database · Measured · 3 observations · 2026-10-09 TRY 7.0 datasets 203, 242, 489	Not on the record

Holcus lanatus L., 1753 58% complete

Yorkshire-fog

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Data sources