The Biota of North America. Website of the North America Plant Atlas lists state and county ranges for North American plants. http://www.bonap.net/NAPA/

Flora of the Four Corners Region. Heil, Kenneth, et al. Missouri Botanical Garden Press (2013).

Flora Neomexicana III: An Illustrated Identification Manual. Allred W., Kelly, Robert Dewitt Ivey (2012). www.lulu.com

Flora Neomexicana IIIa: Field Keys. Allred, W. Kelly (2012).

The complete, and the condensed version without drawings, provide dichotomous keys to 3,783 plants and their families in New Mexico.

Flora Neomexicana IIIa: An Illustrated Identification Manual. Allred, W. Kelly (2020).

Complete with botanical descriptions, drawings, and dichotomous keys to 3,783 plants and their families in New Mexico.

Flora of North America. www.efloras.org

Authoritative descriptions of the plants of North America. Web version provides limited coverage.

Flowering Plants of New Mexico, Fifth Edition. Ivey, Robert Dewitt. www.lulu.com. Detailed botanical drawings of more than 1,000 plants of New Mexico. Considered the “bible” for New Mexico plant identification for over three decades.

Integrated Taxonomic Information System: www.itis.gov

Authoritative list of the currently accepted scientific names and information of North American plants, animals, and microbes.

A Guide to the Plants of the Northern Chihuahuan Desert. Dodson, Carolyn. University of New Mexico Press (2012). Botanical, cultural, and historical descriptions.

Native American Ethnobotany Database. Search by plant species, uses, or tribes. http://naeb.brit.org

Native Plant Society of New Mexico. http://www.npsnm.org/

The Native Plant Society of New Mexico (NPSNM) is a non-profit organization that strives to educate the public about native plants by promoting knowledge of plant identification, ecology, and uses; fostering plant conservation and the preservation of natural habitats; supporting botanical research; and encouraging the appropriate use of native plants to conserve water, land, and wildlife. The website includes publications, landscape plant recommendations, newsletters, and calendars of programs and field trips for the seven chapters across New Mexico and El Paso.

New Mexico Flora. Alexander, Patrick. Website with identification photos of thousands of New Mexico plants. http://www.polyploid.net/swplants/

New Mexico Flores. Eugene Jercinovic. Website of flora of the Florida Mountains, Manzano Mountains, and selected plant genre in New Mexico. http://newmexicoflores.com/index.html

New Mexico Rare Plants. New Mexico Rare Plant Technical Council. Website describes rare and endangered plants in New Mexico. http://nmrareplants.unm.edu/index.html

New Mexico Thistle Identification Guide. Sivinski, Robert. Native Plant Society of New Mexico (2017). Available online https://www.npsnm.org/plant-id-collection/

Penstemons: The Beautiful Beardtongues of New Mexico. Heflin, Jean. Jackrabbit Press (1997).

SEINet–Arizona–New Mexico Chapter. http://swbiodiversity.org/

Excellent source with botanical descriptions, photos, range maps, and digitized herbarium sheets.

Trees and Shrubs of New Mexico. Carter, Jack. Mimbres Press (2012).

USDA PLANTS Database. North America species range maps, photos, links. https://plants.sc.egov.usda.gov/

Vascular Plants of the Gila Wilderness. Website by Dr. Dale A. Zimmerman, Western New Mexico University Department of Natural Sciences. https://wnmu.edu/academic/nspages/gilaflora/index.html

The Wild Orchids of Arizona and New Mexico. Coleman, Ronald. Comstock Publishing Association (2002).

Wildflowers of Arizona & New Mexico. Miller, George Oxford. AdventurePress Quick Guide (2020).

Wildflowers of the Northern and Central Mountains of New Mexico. Littlefield, Larry and Pearl Burns. University of New Mexico Press (2015).

Wildflowers, Ferns, & Trees of Colorado, New Mexico, Arizona, & Utah. Al Schneider. Website specializing in the Four Corners and SW Colorado with over 1,000 species described. http://www.swcoloradowildflowers.com