Data sources

Each value Trefle shows for Yucca flaccida, 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 Source not recorded9 Not on the record2 Sources: TRY Plant Trait Database, Earlier Trefle data

Field	Shown	What the sources say
Core
Author	Haw.	No source recorded	Source not recorded
Bibliography	Suppl. Pl. Succ.: 34 (1819)	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	1819	No source recorded	Source not recorded
Descriptive
Common name	Adam's-needle	No source recorded	Source not recorded
Observations	S. Ontario to EC. & E. U.S.A.	No source recorded	Source not recorded
Morphology
Biological type	phanerophyte	phanerophyte · TRY Plant Trait Database · Measured · 2 observations · 2026-10-09 TRY 7.0 datasets 918	Sourced
Growth habit	Subshrub, Shrub, Forb/herb	Subshrub, Shrub, 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	empty	perennial · TRY Plant Trait Database · Measured · 1 observation · 2026-10-09 TRY 7.0 datasets 918	Not on the record
Other
Human usage type	—	ornamental, other · TRY Plant Trait Database · Reported · 1 observation · 2026-10-09 TRY 7.0 datasets 68	Not on the record

Yucca flaccida Haw., 1819 12% complete

Adam's-needle

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

Data sources