Data sources

Each value Trefle shows for Quercus falcata, 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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Sourced7 Differs from sources1 Source not recorded15 Not on the record6 Sources: TRY Plant Trait Database

Field	Shown	What the sources say
Core
Author	Michx.	No source recorded	Source not recorded
Bibliography	Hist. Chênes Amér.: 28 (1801)	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	1801	No source recorded	Source not recorded
Descriptive
Common name	Spanish oak	No source recorded	Source not recorded
Observations	C. & E. U.S.A.	No source recorded	Source not recorded
Morphology
Average height	1970 cm	1970 cm · TRY Plant Trait Database · Measured · 70 observations · 2026-10-09 TRY 7.0 datasets 20, 54, 68, 92, 184, 873, 909	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	coarse	coarse · 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	false	No source recorded	Source not recorded
Growth form	Single Stem	No source recorded	Source not recorded
Growth habit	Tree	No source recorded	Source not recorded
Growth rate	Moderate	Slow · TRY Plant Trait Database · Measured · 1 observation · 2026-10-09 TRY 7.0 datasets 92	Differs from sources
Maximum height	3150 cm	3150 cm · TRY Plant Trait Database · Measured · 2 observations · 2026-10-09 TRY 7.0 datasets 20, 54, 68, 92, 184, 873, 909	Sourced
Vegetable	false	No source recorded	Source not recorded
Phenology
Duration	empty	perennial · TRY Plant Trait Database · Measured · 1 observation · 2026-10-09 TRY 7.0 datasets 92	Not on the record
Ecology
Nitrogen fixation	None	None · TRY Plant Trait Database · Measured · 3 observations · 2026-10-09 TRY 7.0 datasets 20, 57, 444	Sourced
Ph maximum	pH 7	No source recorded	Source not recorded
Ph minimum	pH 4.8	No source recorded	Source not recorded
Cultivation
Minimum root depth	empty	91 cm · TRY Plant Trait Database · Measured · 1 observation · 2026-10-09 TRY 7.0 datasets 92	Not on the record
Usda legacy
C n ratio	empty	30.9 · TRY Plant Trait Database · Measured · 15 observations · 2026-10-09 TRY 7.0 datasets 981	Not on the record
Other
Human usage type	—	fuelwood, lumber, ornamental, veneer · TRY Plant Trait Database · Reported · 1 observation · 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 falcata Michx., 1801 37% complete

Spanish oak

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

Data sources