Data sources

Each value Trefle shows for Crataegus macrosperma, 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, Merged from a synonym record

Field	Shown	What the sources say
Core
Author	Ashe	No source recorded	Source not recorded
Bibliography	J. Elisha Mitchell Sci. Soc. 16(2): 73 (1900)	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	1900	No source recorded	Source not recorded
Descriptive
Common name	Variable hawthorn	No source recorded	Source not recorded
Family common name	Rose family	No source recorded	Source not recorded
Observations	E. Canada to NC. & E. U.S.A.	No source recorded	Source not recorded
Morphology
Average height	470 cm	470 cm · TRY Plant Trait Database · Measured · 5 observations · 2026-10-09 TRY 7.0 datasets 500, 873	Sourced
Sexuality	empty	hermaphrodite · TRY Plant Trait Database · Measured · 1 observation · 2026-10-09 TRY 7.0 datasets 4	Not on the record
Vegetable	false	false · Merged from a synonym record (Crataegus sextilis) · Reported · 2026-09-05	Sourced
Ecology
Nitrogen fixation	empty	None · TRY Plant Trait Database · Measured · 1 observation · 2026-10-09 TRY 7.0 datasets 71	Not on the record

Crataegus macrosperma Ashe, 1900 12% complete

Variable hawthorn

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

Data sources