Genus: Psilactis A. Gray

Possible synonym of: Machaeranthera Nees

Family: Asteraceae
Subfamily: Asteroideae
Tribe: Astereae
Genus number: 16155
Last updated: 20-Nov-2019
Accession Count: 0 (0 active, 0 available) in National Plant Germplasm System
Comments: all accepted species are in GRIN

List of Species Records in GRIN


  1. Hartman, R. L. 1990. A conspectus of Machaeranthera (Asteraceae: Astereae). Phytologia 68:452.
  2. Morgan, D. R. 1991. A reassessment of the systematics of Machaeranthera section Psilactis (Asteraceae: Astereae). Amer. J. Bot. 78(6):204. Note: = Aster?
  3. Morgan, D. R. 1993. A molecular systematic study and taxonomic revision of Psilactis (Asteraceae: Astereae). Syst. Bot. 18:290-308. URL:
  4. Nesom, G. L. 1994. Review of the taxonomy of Aster sensu lato (Asteraceae: Astereae), emphasizing the New World species. Phytologia 77:141-297. Note: accepts
  5. Nesom, G. L. 1995. Key to the American genera of the Asterinae (Asteraceae). Phytologia 79:281-285. Note: accepts

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Check Index Nominum Genericorum for Psilactis
Cite as: USDA, Agricultural Research Service, National Plant Germplasm System. 2019. Germplasm Resources Information Network (GRIN-Taxonomy).
National Germplasm Resources Laboratory, Beltsville, Maryland. URL: Accessed 15 December 2019.