Data sources

Each value Trefle shows for Rubus pensilvanicus, 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 record2 Sources: TRY Plant Trait Database, Earlier Trefle data

Field	Shown	What the sources say
Core
Author	Poir.	No source recorded	Source not recorded
Bibliography	J.B.A.M.de Lamarck, Encycl. 6: 246 (1804)	No source recorded	Source not recorded
Rank	species	No source recorded	Source not recorded
Status	accepted	No source recorded	Source not recorded
Year	1804	No source recorded	Source not recorded
Descriptive
Common name	Pennsylvania blackberry	No source recorded	Source not recorded
Family common name	Rose family	No source recorded	Source not recorded
Observations	E. Canada to C. & E. U.S.A.	No source recorded	Source not recorded
Morphology
Average height	empty	18 cm · TRY Plant Trait Database · Measured · 1 observation · 2026-10-09 TRY 7.0 datasets 66, 882	Not on the record
Flower color	empty	white · TRY Plant Trait Database · Measured · 1 observation · 2026-10-20 TRY 7.0 datasets 882 1 earlier or rejected value Superseded white · TRY Plant Trait Database · Measured · 1 observation · 2026-10-09 TRY 7.0 datasets 882	Not on the record
Fruit color	red, black	black, red · TRY Plant Trait Database · Measured · 1 observation · 2026-10-20 TRY 7.0 datasets 882 1 earlier or rejected value Superseded black, red · TRY Plant Trait Database · Measured · 2 observations · 2026-10-09 TRY 7.0 datasets 882	Sourced
Fruit shape	drupe	drupe · TRY Plant Trait Database · Measured · 2 observations · 2026-10-20 TRY 7.0 datasets 882 1 earlier or rejected value Superseded drupe · TRY Plant Trait Database · Measured · 4 observations · 2026-10-09 TRY 7.0 datasets 882	Sourced
Growth habit	Subshrub	Subshrub · Earlier Trefle data · Reported · 2026-10-19 value present before provenance tracking (2022 import), no source recorded	Sourced
Maximum height	200 cm	200 cm · TRY Plant Trait Database · Measured · 3 observations · 2026-10-09 TRY 7.0 datasets 66, 882	Sourced
Vegetable	false	No source recorded	Source not recorded
Phenology
Duration	perennial	perennial · TRY Plant Trait Database · Measured · 10 observations · 2026-10-09 TRY 7.0 datasets 66, 882	Sourced

Rubus pensilvanicus Poir., 1804 20% complete

Pennsylvania blackberry

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Data sources