Data sources

Each value Trefle shows for Quercus ilicifolia, 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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Differs from sources1 Source not recorded8 Not on the record3 Sources: TRY Plant Trait Database

Field	Shown	What the sources say
Core
Author	Wangenh.	No source recorded	Source not recorded
Bibliography	Beytr. Teut. Forstwiss.: 79 (1787)	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	1787	No source recorded	Source not recorded
Descriptive
Common name	Bear oak	No source recorded	Source not recorded
Observations	SE. Ontario to E. U.S.A.	No source recorded	Source not recorded
Morphology
Average height	446 cm	446.24 cm · TRY Plant Trait Database · Measured · 4 observations · 2026-10-09 TRY 7.0 datasets 28, 68, 184	Differs from sources
Maximum height	empty	800 cm · TRY Plant Trait Database · Measured · 1 observation · 2026-10-09 TRY 7.0 datasets 28, 68, 184	Not on the record
Phenology
Duration	empty	perennial · TRY Plant Trait Database · Measured · 1 observation · 2026-10-09 TRY 7.0 datasets 28	Not on the record
Other
Human usage type	—	medical · TRY Plant Trait Database · Reported · 1 observation · 2026-10-09 TRY 7.0 datasets 68	Not on the record

Quercus ilicifolia Wangenh., 1787 8% complete

Bear oak

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

Data sources