See other conspecific taxa:
- Callaham, R. Z. 2013. Pinus ponderosa: a taxonomic review with five subspecies Res. Pap. P. S. W. , U. S. Forest Serv. PSW-RP-264:32.
Check other web resources for Pinus ponderosa P. Lawson & C. Lawson subsp. critchfieldiana Callaham :
- ePIC: Electronic Plant Information Centre of Royal Botanic Gardens, Kew
- AGRICOLA: Article Citation Database or NAL Catalog of USDA's National Agricultural Library
- Entrez: NCBI's search engine for PubMed citations, GenBank sequences, etc.
Cite as: USDA, Agricultural Research Service, National Plant Germplasm System. 2024. Germplasm Resources Information Network (GRIN-Taxonomy).
National Germplasm Resources Laboratory, Beltsville, Maryland. URL: http://germoplasma.iniaf.gob.bo/gringlobal/taxonomydetail.aspx?id=468744. Accessed 14 mayo 2024.