Taxon: Laennecia filaginoides DC.

Summary

Genus:

Laennecia

Family:

Asteraceae (alt. Compositae)

Subfamily:

Asteroideae

Tribe:

Astereae

Nomen number:

429575

Place of publication:

Prodr. 5:376. 1836

Verified:

03/15/2012 ARS Systematic Botanists.

Accessions:

0 (0 active, 0 available) in National Plant Germplasm System.

Other conspecific taxa

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

Homotypic Synonym(s)
Conyza filaginoides (DC.) Hieron.

No images

Conservation Status

Reference(s)

Brako, L. & J. L. Zarucchi. 1993. Catalogue of the flowering plants and gymnosperms of Peru. Monogr. Syst. Bot. Missouri Bot. Gard. 45
FNA Editorial Committee. 1993-. Flora of North America.
Jørgensen, P. M. & S. León-Yánez, eds. 1999. Catalogue of the vascular plants of Ecuador. Monogr. Syst. Bot. Missouri Bot. Gard. 75
McGuffin, M., J. T. Kartesz, A. Y. Leung, & A. O. Tucker. 2000. Herbs of commerce, ed. 2 American Herbal Products Association, Silver Spring, Maryland.
McVaugh, R. 1983-. Flora Novo-Galiciana. Note: = Conyza filiginoides
Nesom, G. L. 1990. Taxonomy of the genus Laennecia (Asteraceae: Astereae). Phytologia 68:219.
Standley, P. C. & J. A. Steyermark. 1946-1976. Flora of Guatemala. Note: = Conyza filiginoides

Common names

Language	Name	Alternate name	note	seq	Citation
English	transpecos marshtail			1	McGuffin, M., J. T. Kartesz, A. Y. Leung, & A. O. Tucker. 2000. Herbs of commerce, ed. 2 American Herbal Products Association, Silver Spring, Maryland.

Distribution

order_code	Status	Continent	Subcontinent	Country	State	Reference
1	Native	Northern America	Northern Mexico	Mexico	Baja California Sur	McVaugh, R. 1983-. Flora Novo-Galiciana. Note: = Conyza filiginoides
1	Native	Northern America	Northern Mexico	Mexico	Chihuahua	McVaugh, R. 1983-. Flora Novo-Galiciana. Note: = Conyza filiginoides
1	Native	Northern America	Northern Mexico	Mexico	Durango	McVaugh, R. 1983-. Flora Novo-Galiciana. Note: = Conyza filiginoides
1	Native	Northern America	Northern Mexico	Mexico	Nuevo León	McVaugh, R. 1983-. Flora Novo-Galiciana. Note: = Conyza filiginoides
1	Native	Northern America	Northern Mexico	Mexico	San Luis Potosí	McVaugh, R. 1983-. Flora Novo-Galiciana. Note: = Conyza filiginoides
1	Native	Northern America	Northern Mexico	Mexico	Sonora	McVaugh, R. 1983-. Flora Novo-Galiciana. Note: = Conyza filiginoides
1	Native	Northern America	Northern Mexico	Mexico	Zacatecas	McVaugh, R. 1983-. Flora Novo-Galiciana. Note: = Conyza filiginoides
1	Native	Northern America	South-Central U.S.A.	United States	Texas	FNA Editorial Committee. 1993-. Flora of North America.
1	Native	Northern America	Southern Mexico	Mexico	Aguascalientes	McVaugh, R. 1983-. Flora Novo-Galiciana. Note: = Conyza filiginoides
1	Native	Northern America	Southern Mexico	Mexico	Chiapas	McVaugh, R. 1983-. Flora Novo-Galiciana. Note: = Conyza filiginoides
1	Native	Northern America	Southern Mexico	Mexico	Guanajuato	McVaugh, R. 1983-. Flora Novo-Galiciana. Note: = Conyza filiginoides
1	Native	Northern America	Southern Mexico	Mexico	Hidalgo	McVaugh, R. 1983-. Flora Novo-Galiciana. Note: = Conyza filiginoides
1	Native	Northern America	Southern Mexico	Mexico	Jalisco	McVaugh, R. 1983-. Flora Novo-Galiciana. Note: = Conyza filiginoides
1	Native	Northern America	Southern Mexico	Mexico	México	McVaugh, R. 1983-. Flora Novo-Galiciana. Note: = Conyza filiginoides
1	Native	Northern America	Southern Mexico	Mexico	Michoacán de Ocampo	McVaugh, R. 1983-. Flora Novo-Galiciana. Note: = Conyza filiginoides
1	Native	Northern America	Southern Mexico	Mexico	Oaxaca	McVaugh, R. 1983-. Flora Novo-Galiciana. Note: = Conyza filiginoides
1	Native	Northern America	Southern Mexico	Mexico	Puebla	McVaugh, R. 1983-. Flora Novo-Galiciana. Note: = Conyza filiginoides
1	Native	Northern America	Southern Mexico	Mexico	Veracruz de Ignacio de la Llave	McVaugh, R. 1983-. Flora Novo-Galiciana. Note: = Conyza filiginoides
1	Native	Southern America	Central America	Guatemala	Chimaltenango	Nesom, G. L. 1990. Taxonomy of the genus Laennecia (Asteraceae: Astereae). Phytologia 68:219.
1	Native	Southern America	Central America	Guatemala	Guatemala	Nesom, G. L. 1990. Taxonomy of the genus Laennecia (Asteraceae: Astereae). Phytologia 68:219.
1	Native	Southern America	Central America	Guatemala	Huehuetenango	Nesom, G. L. 1990. Taxonomy of the genus Laennecia (Asteraceae: Astereae). Phytologia 68:219.
1	Native	Southern America	Central America	Guatemala	Quetzaltenango	Nesom, G. L. 1990. Taxonomy of the genus Laennecia (Asteraceae: Astereae). Phytologia 68:219.
1	Native	Southern America	Central America	Guatemala	Quiché	Nesom, G. L. 1990. Taxonomy of the genus Laennecia (Asteraceae: Astereae). Phytologia 68:219.
1	Native	Southern America	Central America	Guatemala	Sacatepéquez	Nesom, G. L. 1990. Taxonomy of the genus Laennecia (Asteraceae: Astereae). Phytologia 68:219.
1	Native	Southern America	Central America	Guatemala	San Marcos	Nesom, G. L. 1990. Taxonomy of the genus Laennecia (Asteraceae: Astereae). Phytologia 68:219.
1	Native	Southern America	Central America	Guatemala	Sololá	Nesom, G. L. 1990. Taxonomy of the genus Laennecia (Asteraceae: Astereae). Phytologia 68:219.
1	Native	Southern America	Western South America	Colombia		Nesom, G. L. 1990. Taxonomy of the genus Laennecia (Asteraceae: Astereae). Phytologia 68:219.
1	Native	Southern America	Western South America	Ecuador	Pichincha	Jørgensen, P. M. & S. León-Yánez, eds. 1999. Catalogue of the vascular plants of Ecuador. Monogr. Syst. Bot. Missouri Bot. Gard. 75
1	Native	Southern America	Western South America	Peru	Cajamarca	Brako, L. & J. L. Zarucchi. 1993. Catalogue of the flowering plants and gymnosperms of Peru. Monogr. Syst. Bot. Missouri Bot. Gard. 45

Native
Northern America

SOUTH-CENTRAL U.S.A.: United States [Texas]
NORTHERN MEXICO: Mexico [Baja California Sur, Chihuahua, Durango, Nuevo León, San Luis Potosí, Sonora, Zacatecas]
SOUTHERN MEXICO: Mexico [Aguascalientes, Chiapas, Guanajuato, Hidalgo, Jalisco, México, Michoacán de Ocampo, Oaxaca, Puebla, Veracruz de Ignacio de la Llave]

Southern America

CENTRAL AMERICA: Guatemala [Chimaltenango, Guatemala, Huehuetenango, Quetzaltenango, Quiché, Sacatepéquez, San Marcos, Sololá]
WESTERN SOUTH AMERICA: Colombia, Ecuador [Pichincha], Peru [Cajamarca]

Reference(s)

Brako, L. & J. L. Zarucchi. 1993. Catalogue of the flowering plants and gymnosperms of Peru. Monogr. Syst. Bot. Missouri Bot. Gard. 45
FNA Editorial Committee. 1993-. Flora of North America.
Jørgensen, P. M. & S. León-Yánez, eds. 1999. Catalogue of the vascular plants of Ecuador. Monogr. Syst. Bot. Missouri Bot. Gard. 75
McVaugh, R. 1983-. Flora Novo-Galiciana. Note: = Conyza filiginoides
Nesom, G. L. 1990. Taxonomy of the genus Laennecia (Asteraceae: Astereae). Phytologia 68:219.

Economic Uses

Usage	Type	Note	Reference
Medicines	folklore		McGuffin, M., J. T. Kartesz, A. Y. Leung, & A. O. Tucker. 2000. Herbs of commerce, ed. 2 American Herbal Products Association, Silver Spring, Maryland.

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://npgsweb.ars-grin.gov/gringlobal/taxon/taxonomydetail?id=429575. Accessed 22 October 2026.