Data sources

Each value Trefle shows for Penstemon albidus, 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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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	Nutt.	No source recorded	Source not recorded
Bibliography	Gen. N. Amer. Pl. 2: 53 (1818)	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	1818	No source recorded	Source not recorded
Descriptive
Common name	White beardtongue	No source recorded	Source not recorded
Observations	WC. & C. Canada to NW. & C. U.S.A.	No source recorded	Source not recorded
Morphology
Average height	12 cm	12.25 cm · TRY Plant Trait Database · Measured · 20 observations · 2026-10-09 TRY 7.0 datasets 296	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 · 78 observations · 2026-10-09 TRY 7.0 datasets 296	Sourced
Usda legacy
C n ratio	empty	27.1 · TRY Plant Trait Database · Measured · 10 observations · 2026-10-09 TRY 7.0 datasets 296	Not on the record

Penstemon albidus Nutt., 1818 14% complete

White beardtongue

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

Data sources