Data sources

Each value Trefle shows for Quercus alba, 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 Source not recorded10 Not on the record4 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.: 996 (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	Stave oak	No source recorded	Source not recorded
Observations	SE. Canada to C. & E. U.S.A.	No source recorded	Source not recorded
Morphology
Average height	1990 cm	1990 cm · TRY Plant Trait Database · Measured · 230 observations · 2026-10-09 TRY 7.0 datasets 28, 68, 92, 184, 251, 431, 662, 673, 708, 873	Sourced
Biological type	phanerophyte	phanerophyte · TRY Plant Trait Database · Measured · 174 observations · 2026-10-09 TRY 7.0 datasets 925	Sourced
Flower color	yellow	yellow · TRY Plant Trait Database · Measured · 1 observation · 2026-10-09 TRY 7.0 datasets 92	Sourced
Flower conspicuous	false	No source recorded	Source not recorded
Foliage color	green	green · TRY Plant Trait Database · Measured · 1 observation · 2026-10-09 TRY 7.0 datasets 92	Sourced
Foliage texture	medium	medium · TRY Plant Trait Database · Measured · 1 observation · 2026-10-09 TRY 7.0 datasets 92	Sourced
Fruit color	brown	brown · TRY Plant Trait Database · Measured · 1 observation · 2026-10-09 TRY 7.0 datasets 92	Sourced
Fruit conspicuous	true	true · Earlier Trefle data · Reported · 2026-10-19 value present before provenance tracking (2022 import), no source recorded	Sourced
Growth form	Single Stem	Single Stem · Earlier Trefle data · Reported · 2026-10-19 value present before provenance tracking (2022 import), no source recorded	Sourced
Growth habit	Tree	Tree · Earlier Trefle data · Reported · 2026-10-19 value present before provenance tracking (2022 import), no source recorded	Sourced
Growth rate	Slow	Slow · TRY Plant Trait Database · Measured · 1 observation · 2026-10-09 TRY 7.0 datasets 92	Sourced
Maximum height	3750 cm	3750 cm · TRY Plant Trait Database · Measured · 4 observations · 2026-10-09 TRY 7.0 datasets 28, 68, 92, 184, 251, 431, 662, 673, 708, 873	Sourced
Vegetable	false	No source recorded	Source not recorded
Phenology
Duration	perennial	perennial · TRY Plant Trait Database · Measured · 202 observations · 2026-10-09 TRY 7.0 datasets 28, 92, 424, 759, 818, 925	Sourced
Ecology
Nitrogen fixation	None	None · TRY Plant Trait Database · Measured · 27 observations · 2026-10-09 TRY 7.0 datasets 20, 57, 67, 89, 96, 444, 445, 822	Sourced
Ph maximum	pH 6.8	pH 6.8 · Earlier Trefle data · Reported · 2026-10-19 value present before provenance tracking (2022 import), no source recorded	Sourced
Ph minimum	pH 4.5	pH 4.5 · Earlier Trefle data · Reported · 2026-10-19 value present before provenance tracking (2022 import), no source recorded	Sourced
Cultivation
Minimum root depth	122 cm	122 cm · TRY Plant Trait Database · Measured · 9 observations · 2026-10-09 TRY 7.0 datasets 92, 432, 662, 818	Sourced
Usda legacy
C n ratio	empty	21.5 · TRY Plant Trait Database · Measured · 92 observations · 2026-10-09 TRY 7.0 datasets 79, 412, 424, 981	Not on the record
Other
Human usage type	—	coppice_potential, fuelwood, lumber, medical, naval_stores, nursery_stock, ornamental, timber, veneer · TRY Plant Trait Database · Reported · 2 observations · 2026-10-09 TRY 7.0 datasets 68, 92	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	—	Intermediate · TRY Plant Trait Database · Measured · 1 observation · 2026-10-09 TRY 7.0 datasets 92	Not on the record

Quercus alba L., 1753 43% complete

Stave oak

.fa-secondary{opacity:.4} Data sources

Data sources