Taxon: Crocanthemum bicknellii (Fernald) Janch.

Summary

Genus:

Crocanthemum

Family:

Cistaceae

Nomen number:

463940

Place of publication:

Nat. Pflanzenfam. ed. 2, 21:307. 1925

Verified:

10/17/2011 ARS Systematic Botanists.

Accessions:

5 (5 active, 3 available) in National Plant Germplasm System. (Map it)

Other conspecific taxa

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

Basionym
Helianthemum bicknellii Fernald

No images

Conservation Status

Reference(s)

Small, J. K. 1933. Manual of the southeastern flora. Note: as C bicknellii (Fernald) Barnhart
Weakley, A. S. 2007. Flora of the Carolinas, Virginia, and Georgia, and surrounding areas. Note: as C bicknellii (Fernald) Barnhart

Common names

Language	Name	seq	Citation
English	Bicknell's hoary frostweed	1	Weakley, A. S. 2007. Flora of the Carolinas, Virginia, and Georgia, and surrounding areas. Note: as C bicknellii (Fernald) Barnhart
English	hoary frostweed	1	Weakley, A. S. 2007. Flora of the Carolinas, Virginia, and Georgia, and surrounding areas. Note: as C bicknellii (Fernald) Barnhart
English	hoary rock-rose	1	Weakley, A. S. 2007. Flora of the Carolinas, Virginia, and Georgia, and surrounding areas. Note: as C bicknellii (Fernald) Barnhart
English	plains frostweed	1	Weakley, A. S. 2007. Flora of the Carolinas, Virginia, and Georgia, and surrounding areas. Note: as C bicknellii (Fernald) Barnhart
English	plains sun-rose	1	Weakley, A. S. 2007. Flora of the Carolinas, Virginia, and Georgia, and surrounding areas. Note: as C bicknellii (Fernald) Barnhart

Distribution

order_code	Status	Continent	Subcontinent	Country	State	Note	Reference
1	Native	Northern America	Eastern Canada	Canada	Ontario	s.	Scoggan, H. J. 1978-1979. The flora of Canada, 4 vol.
1	Native	Northern America	North-Central U.S.A.	United States	Illinois		Weakley, A. S. 2007. Flora of the Carolinas, Virginia, and Georgia, and surrounding areas. Note: as C bicknellii (Fernald) Barnhart
1	Native	Northern America	North-Central U.S.A.	United States	Iowa		McGregor, R. L. et al. (The Great Plains Flora Association). 1986. Flora of the Great Plains.
1	Native	Northern America	North-Central U.S.A.	United States	Kansas	e.	McGregor, R. L. et al. (The Great Plains Flora Association). 1986. Flora of the Great Plains.
1	Native	Northern America	North-Central U.S.A.	United States	Minnesota		McGregor, R. L. et al. (The Great Plains Flora Association). 1986. Flora of the Great Plains.
1	Native	Northern America	North-Central U.S.A.	United States	Missouri		McGregor, R. L. et al. (The Great Plains Flora Association). 1986. Flora of the Great Plains.
1	Native	Northern America	North-Central U.S.A.	United States	Nebraska		McGregor, R. L. et al. (The Great Plains Flora Association). 1986. Flora of the Great Plains.
1	Native	Northern America	North-Central U.S.A.	United States	North Dakota		McGregor, R. L. et al. (The Great Plains Flora Association). 1986. Flora of the Great Plains.
1	Native	Northern America	North-Central U.S.A.	United States	South Dakota		McGregor, R. L. et al. (The Great Plains Flora Association). 1986. Flora of the Great Plains.
1	Native	Northern America	North-Central U.S.A.	United States	Wisconsin		Gleason, H. A. & A. Cronquist. 1991. Manual of vascular plants of northeastern United States and adjacent Canada, ed. 2
1	Native	Northern America	Northeastern U.S.A.	United States	Connecticut		Magee, D. W. & H. E. Ahles. 1999. Flora of the Northeast. A manual of the vascular flora of New England and adjacent New York.
1	Native	Northern America	Northeastern U.S.A.	United States	Indiana		McGregor, R. L. et al. (The Great Plains Flora Association). 1986. Flora of the Great Plains.
1	Native	Northern America	Northeastern U.S.A.	United States	Maine		Magee, D. W. & H. E. Ahles. 1999. Flora of the Northeast. A manual of the vascular flora of New England and adjacent New York.
1	Native	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.
1	Native	Northern America	Northeastern U.S.A.	United States	Michigan		Gleason, H. A. & A. Cronquist. 1991. Manual of vascular plants of northeastern United States and adjacent Canada, ed. 2
1	Native	Northern America	Northeastern U.S.A.	United States	New Hampshire		Magee, D. W. & H. E. Ahles. 1999. Flora of the Northeast. A manual of the vascular flora of New England and adjacent New York.
1	Native	Northern America	Northeastern U.S.A.	United States	New Jersey		Gleason, H. A. & A. Cronquist. 1991. Manual of vascular plants of northeastern United States and adjacent Canada, ed. 2
1	Native	Northern America	Northeastern U.S.A.	United States	New York		Gleason, H. A. & A. Cronquist. 1991. Manual of vascular plants of northeastern United States and adjacent Canada, ed. 2
1	Native	Northern America	Northeastern U.S.A.	United States	Ohio		McGregor, R. L. et al. (The Great Plains Flora Association). 1986. Flora of the Great Plains.
1	Native	Northern America	Northeastern U.S.A.	United States	Pennsylvania		Gleason, H. A. & A. Cronquist. 1991. Manual of vascular plants of northeastern United States and adjacent Canada, ed. 2
1	Native	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.
1	Native	Northern America	Northeastern U.S.A.	United States	Vermont		Magee, D. W. & H. E. Ahles. 1999. Flora of the Northeast. A manual of the vascular flora of New England and adjacent New York.
1	Native	Northern America	Northeastern U.S.A.	United States	West Virginia		Weakley, A. S. 2007. Flora of the Carolinas, Virginia, and Georgia, and surrounding areas. Note: as C bicknellii (Fernald) Barnhart
1	Native	Northern America	Northwestern U.S.A.	United States	Colorado		McGregor, R. L. et al. (The Great Plains Flora Association). 1986. Flora of the Great Plains.
1	Native	Northern America	Northwestern U.S.A.	United States	Wyoming	e.
1	Native	Northern America	Southeastern U.S.A.	United States	Arkansas		Weakley, A. S. 2007. Flora of the Carolinas, Virginia, and Georgia, and surrounding areas. Note: as C bicknellii (Fernald) Barnhart
1	Native	Northern America	Southeastern U.S.A.	United States	Delaware		Gleason, H. A. & A. Cronquist. 1991. Manual of vascular plants of northeastern United States and adjacent Canada, ed. 2
1	Native	Northern America	Southeastern U.S.A.	United States	Georgia		Weakley, A. S. 2007. Flora of the Carolinas, Virginia, and Georgia, and surrounding areas. Note: as C bicknellii (Fernald) Barnhart
1	Native	Northern America	Southeastern U.S.A.	United States	Kentucky		Jones, R. L. 2005. Plant life of Kentucky: an illustrated guide to the vascular flora.
1	Native	Northern America	Southeastern U.S.A.	United States	Maryland		Gleason, H. A. & A. Cronquist. 1991. Manual of vascular plants of northeastern United States and adjacent Canada, ed. 2
1	Native	Northern America	Southeastern U.S.A.	United States	North Carolina		Weakley, A. S. 2007. Flora of the Carolinas, Virginia, and Georgia, and surrounding areas. Note: as C bicknellii (Fernald) Barnhart
1	Native	Northern America	Southeastern U.S.A.	United States	Tennessee		Weakley, A. S. 2007. Flora of the Carolinas, Virginia, and Georgia, and surrounding areas. Note: as C bicknellii (Fernald) Barnhart
1	Native	Northern America	Southeastern U.S.A.	United States	Virginia		Weakley, A. S. 2007. Flora of the Carolinas, Virginia, and Georgia, and surrounding areas. Note: as C bicknellii (Fernald) Barnhart
1	Native	Northern America	Western Canada	Canada	Manitoba	s.	Scoggan, H. J. 1978-1979. The flora of Canada, 4 vol.

Native
Northern America

EASTERN CANADA: Canada [Ontario (s.)]
WESTERN CANADA: Canada [Manitoba (s.)]
NORTHEASTERN U.S.A.: United States [Connecticut, Indiana, Maine, Massachusetts, Michigan, New Hampshire, New Jersey, New York, Ohio, Pennsylvania, Rhode Island, Vermont, West Virginia]
NORTH-CENTRAL U.S.A.: United States [Illinois, Iowa, Kansas (e.), Minnesota, Missouri, Nebraska, North Dakota, South Dakota, Wisconsin]
NORTHWESTERN U.S.A.: United States [Colorado, Wyoming (e.)]
SOUTHEASTERN U.S.A.: United States [Arkansas, Delaware, Georgia, Kentucky, Maryland, North Carolina, Tennessee, Virginia]

Reference(s)

Gleason, H. A. & A. Cronquist. 1991. Manual of vascular plants of northeastern United States and adjacent Canada, ed. 2
Jones, R. L. 2005. Plant life of Kentucky: an illustrated guide to the vascular flora.
Magee, D. W. & H. E. Ahles. 1999. Flora of the Northeast. A manual of the vascular flora of New England and adjacent New York.
McGregor, R. L. et al. (The Great Plains Flora Association). 1986. Flora of the Great Plains.
Scoggan, H. J. 1978-1979. The flora of Canada, 4 vol.
Weakley, A. S. 2007. Flora of the Carolinas, Virginia, and Georgia, and surrounding areas. Note: as C bicknellii (Fernald) Barnhart

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=463940. Accessed 12 May 2026.