Data sources

Each value Trefle shows for Eupatorium altissimum, 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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Sourced3 Differs from sources1 Source not recorded9 Not on the record1 Sources: TRY Plant Trait Database

Field	Shown	What the sources say
Core
Author	L.	No source recorded	Source not recorded
Bibliography	Sp. Pl.: 837 (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	Tall thoroughwort	No source recorded	Source not recorded
Family common name	Aster family	No source recorded	Source not recorded
Observations	SE. Canada to U.S.A.	No source recorded	Source not recorded
Morphology
Average height	90 cm	90.1 cm · TRY Plant Trait Database · Measured · 9 observations · 2026-10-09 TRY 7.0 datasets 415, 925	Differs from sources
Biological type	hemicryptophyte	hemicryptophyte · TRY Plant Trait Database · Measured · 148 observations · 2026-10-09 TRY 7.0 datasets 925	Sourced
Phenology
Bloom months	jul	jul · TRY Plant Trait Database · Measured · 53 observations · 2026-10-09 TRY 7.0 datasets 163, 415	Sourced
Duration	perennial	perennial · TRY Plant Trait Database · Measured · 148 observations · 2026-10-09 TRY 7.0 datasets 925	Sourced
Usda legacy
C n ratio	empty	27.8 · TRY Plant Trait Database · Measured · 1 observation · 2026-10-09 TRY 7.0 datasets 412, 415	Not on the record

Eupatorium altissimum L., 1753 16% complete

Tall thoroughwort

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

Data sources