Taxon: Crataegus phaenopyrum (L. f.) Medik.

Summary

Genus:

Crataegus

Family:

Rosaceae

Subfamily:

Amygdaloideae

Tribe:

Maleae

Subtribe:

Malinae

Nomen number:

100505

Place of publication:

Gesch. Bot. 84. 1793

Verified:

04/11/2001 ARS Systematic Botanists.

Accessions:

8 (7 active, 2 available) in National Plant Germplasm System. (Map it)

Other conspecific taxa

Autonyms (not in current use), synonyms and invalid designations

Basionym
Mespilus phaenopyrum L. f.

Images (1 total. Click on image for more.)

Conservation Status

Reference(s)

University of Georgia Center for Invasive Species and Ecosystem Health
Clark, R. C. 1971. The woody plants of Alabama. Ann. Missouri Bot. Gard. 58:175.
Encke, F. et al. 1984. Zander: Handwörterbuch der Pflanzennamen, 13. Auflage
Gleason, H. A. & A. Cronquist. 1963. Manual of vascular plants of northeastern United States and adjacent Canada.
Liberty Hyde Bailey Hortorium. 1976. Hortus third. A concise dictionary of plants cultivated in the United States and Canada
Little, E. L., Jr. 1979. Checklist of United States trees, Agric. Handb. 541
Magee, D. W. & H. E. Ahles. 1999. Flora of the Northeast. A manual of the vascular flora of New England and adjacent New York.
Meyer, F. G. et al. 1994. A catalog of cultivated woody plants of the southeastern United States
Phipps, J. B. 1998. Synopsis of Crataegus series Apiifoliae, Cordatae, Microcarpae, and Brevispinae (Rosaceae subfam. Maloideae). Ann. Missouri Bot. Gard. 85:481.
Phipps, J. B. 1999. (1438) Proposal to reject the name Mespilus cordata (Rosaceae), and typification of M. phaenopyrum. Taxon 48:831-832.
Radford, A. E. et al. 1964. Manual of the vascular flora of the Carolinas.
Rehder, A. 1949. Bibliography of cultivated trees and shrubs.
Steyermark, J. A. 1977. Flora of Missouri.
Wofford, B. E. Database of Tennessee vascular plants (on-line resource).
1961. Webster's third new international dictionary.

Common names

Language	Name	Alternate name	note	seq	Citation
English	Washington-thorn			1	1961. Webster's third new international dictionary.

Distribution

order_code	Status	Continent	Subcontinent	Country	State	Note	Reference
1	Native	Northern America	North-Central U.S.A.	United States	Missouri		Steyermark, J. A. 1977. Flora of Missouri.
1	Native	Northern America	Southeastern U.S.A.	United States	Alabama
1	Native	Northern America	Southeastern U.S.A.	United States	Arkansas
1	Native	Northern America	Southeastern U.S.A.	United States	Florida	http://www.plantatlas.usf.edu/main.asp?plantID=2974
1	Native	Northern America	Southeastern U.S.A.	United States	Georgia
1	Native	Northern America	Southeastern U.S.A.	United States	Kentucky
1	Native	Northern America	Southeastern U.S.A.	United States	Louisiana	n.
1	Native	Northern America	Southeastern U.S.A.	United States	Mississippi
1	Native	Northern America	Southeastern U.S.A.	United States	North Carolina		Radford, A. E. et al. 1964. Manual of the vascular flora of the Carolinas.
1	Native	Northern America	Southeastern U.S.A.	United States	South Carolina		Radford, A. E. et al. 1964. Manual of the vascular flora of the Carolinas.
1	Native	Northern America	Southeastern U.S.A.	United States	Tennessee		Wofford, B. E. Database of Tennessee vascular plants (on-line resource).
1	Native	Northern America	Southeastern U.S.A.	United States	Virginia
2	Cultivated					also cult.
4	Naturalized	Northern America	Northeastern U.S.A.	United States	Massachusetts		Magee, D. W. & H. E. Ahles. 1999. Flora of the Northeast. A manual of the vascular flora of New England and adjacent New York.
4	Naturalized	Northern America	Northeastern U.S.A.	United States	Rhode Island		Magee, D. W. & H. E. Ahles. 1999. Flora of the Northeast. A manual of the vascular flora of New England and adjacent New York.
4	Naturalized	Northern America	Southeastern U.S.A.	United States	Delaware	natzd.?
4	Naturalized	Northern America	Southeastern U.S.A.	United States	District of Columbia	natzd.?
4	Naturalized	Northern America	Southeastern U.S.A.	United States	Maryland	natzd.?

Native
Northern America

NORTH-CENTRAL U.S.A.: United States [Missouri]
SOUTHEASTERN U.S.A.: United States [Alabama, Arkansas, Florida (http://www.plantatlas.usf.edu/main.asp?plantID=2974), Georgia, Kentucky, Louisiana (n.), Mississippi, North Carolina, South Carolina, Tennessee, Virginia]

Cultivated (also cult.)
Naturalized
Northern America

NORTHEASTERN U.S.A.: United States [Massachusetts, Rhode Island]
SOUTHEASTERN U.S.A.: United States [Delaware (natzd.?), District of Columbia (natzd.?), Maryland (natzd.?)]

Reference(s)

Magee, D. W. & H. E. Ahles. 1999. Flora of the Northeast. A manual of the vascular flora of New England and adjacent New York.
Radford, A. E. et al. 1964. Manual of the vascular flora of the Carolinas.
Steyermark, J. A. 1977. Flora of Missouri.
Wofford, B. E. Database of Tennessee vascular plants (on-line resource).

Economic Uses

Usage	Type	Note	Reference
Environmental	ornamental		Liberty Hyde Bailey Hortorium. 1976. Hortus third. A concise dictionary of plants cultivated in the United States and Canada

Cite as: USDA, Agricultural Research Service, National Plant Germplasm System. 2026. Germplasm Resources Information Network (GRIN Taxonomy). National Germplasm Resources Laboratory, Beltsville, Maryland.
URL: https://npgstest.ars-grin.gov/gringlobal/taxon/taxonomydetail?id=100505. Accessed 15 April 2026.