Data sources

Each value Trefle shows for Pycnanthemum flexuosum, 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.

Something wrong? Suggest a correction.

Sourced2 Differs from sources1 Source not recorded9 Not on the record1 Sources: TRY Plant Trait Database, Earlier Trefle data

Field	Shown	What the sources say
Core
Author	(Walter) Britton, Sterns & Poggenb.	No source recorded	Source not recorded
Bibliography	Prelim. Cat.: 42 (1888)	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	1888	No source recorded	Source not recorded
Descriptive
Common name	Appalachian mountainmint	No source recorded	Source not recorded
Observations	SE. U.S.A.	No source recorded	Source not recorded
Morphology
Average height	61 cm	60.5 cm · TRY Plant Trait Database · Measured · 2 observations · 2026-10-09 TRY 7.0 datasets 28, 818	Differs from sources
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
Duration	perennial	perennial · TRY Plant Trait Database · Measured · 4 observations · 2026-10-09 TRY 7.0 datasets 28, 432, 460, 818	Sourced
Cultivation
Minimum root depth	empty	117 cm · TRY Plant Trait Database · Measured · 1 observation · 2026-10-09 TRY 7.0 datasets 432	Not on the record

Pycnanthemum flexuosum (Walter) Britton, Sterns & Poggenb., 1888 14% complete

Appalachian mountainmint

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

Data sources