Data sources

Each value Trefle shows for Sempervivum arachnoideum subsp. arachnoideum, 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 recorded4 Not on the record5 Sources: TRY Plant Trait Database, GBIF

Field	Shown	What the sources say
Core
Bibliography	L. (1753). In: Sp. Pl. 465.	L. (1753). In: Sp. Pl. 465. · GBIF · Reported · 2026-09-05	Sourced
Phylum	Tracheophyta	Tracheophyta · GBIF · Reported · 2026-09-05	Sourced
Rank	ssp	No source recorded	Source not recorded
Status	accepted	No source recorded	Source not recorded
Descriptive
Common name	Cobweb houseleek	No source recorded	Source not recorded
Observations	N. Spain to Alps and Appennini	No source recorded	Source not recorded
Morphology
Average height	empty	8 cm · TRY Plant Trait Database · Measured · 1 observation · 2026-10-09 TRY 7.0 datasets 164	Not on the record
Biological type	empty	chamaephyte · TRY Plant Trait Database · Measured · 1 observation · 2026-10-09 TRY 7.0 datasets 164	Not on the record
Maximum height	empty	10 cm · TRY Plant Trait Database · Measured · 1 observation · 2026-10-09 TRY 7.0 datasets 164	Not on the record
Phenology
Duration	empty	perennial · TRY Plant Trait Database · Measured · 1 observation · 2026-10-09 TRY 7.0 datasets 164	Not on the record
Ecology
Nitrogen fixation	empty	None · TRY Plant Trait Database · Measured · 1 observation · 2026-10-09 TRY 7.0 datasets 71	Not on the record

Sempervivum arachnoideum subsp. arachnoideum 4% complete

Cobweb houseleek

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

Data sources