Data sources

Each value Trefle shows for Pycnanthemum tenuifolium, 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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Sourced5 Source not recorded9 Not on the record1 Sources: TRY Plant Trait Database, Earlier Trefle data

Field	Shown	What the sources say
Core
Author	Schrad.	No source recorded	Source not recorded
Bibliography	Hort. Gott.: 10 (1809)	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	1809	No source recorded	Source not recorded
Descriptive
Common name	Narrow-leaf mountain-mint	No source recorded	Source not recorded
Observations	E. Canada to C. & E. U.S.A.	No source recorded	Source not recorded
Morphology
Average height	40 cm	40 cm · TRY Plant Trait Database · Measured · 5 observations · 2026-10-09 TRY 7.0 datasets 66, 415	Sourced
Growth habit	Forb/herb	Forb/herb · Earlier Trefle data · Reported · 2026-10-19 value present before provenance tracking (2022 import), no source recorded	Sourced
Vegetable	false	No source recorded	Source not recorded
Phenology
Bloom months	jun, aug	jun, aug · TRY Plant Trait Database · Measured · 53 observations · 2026-10-09 TRY 7.0 datasets 66, 415	Sourced
Duration	perennial	perennial · TRY Plant Trait Database · Measured · 2 observations · 2026-10-09 TRY 7.0 datasets 66, 460	Sourced
Ecology
Nitrogen fixation	None	None · TRY Plant Trait Database · Measured · 4 observations · 2026-10-09 TRY 7.0 datasets 66, 444, 445	Sourced
Usda legacy
C n ratio	empty	27 · TRY Plant Trait Database · Measured · 3 observations · 2026-10-09 TRY 7.0 datasets 570	Not on the record

Pycnanthemum tenuifolium Schrad., 1809 18% complete

Narrow-leaf mountain-mint

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

Data sources