By Robert Sivinski

New Mexico has 12 native thistle species that are innocuous, but often become collateral damage in the war against non-native noxious weeds. This colorful and informative NPSNM publication is a free PDF file (15 MB) that will help you distinguish native from non-native thistles in New Mexico and adjacent regions. Here are two PDF options for downloading or printing:

1. Download PDF for screen view on computer and mobile devices, or print 8.5” x 11” document.

SCREEN VIEW OR 8.5 X 11 PRINT (Link to File)

2. Download PDF to print 5.5” x 8.5” booklet.

PRINT 5.5 X 8.5 BOOKLET (NM Thistles Booklet)

  • Print this booklet on 8.5” x 11” paper (11 sheets), then fold in half and staple or stitch the crease. Set your print settings to:
    • Print on both sides
    • “Flip on short edge”
    • Landscape orientation

Additional On-line references and photos for plant identification

Vascular Plants of the Gila Wilderness (Photographs)

Monocots versus Dicots: The Two Classes of Flowering Plants

Plant Collecting and Gathering Useful Data for Donating to our State’s Herbaria

  • Collecting Plants, Here is a pdf handout to help get you started. Compiled by Bob Sivinski.
  • Using GPS coordinates MapTools (an informative website)

Lab Manual to the Flora of NM (please note, this file is an 18MB pdf)
Synoptic table of vascular plants
Chart of fruit types (pdf, goes with the synoptic table of vascular plants)
Tribes of the Asteraceae
New Mexico Genera for the Tribes of the Aster Family

For information on floristic or taxonomic research being done in the state, visit Kelly Allred’s website (NMSU) that includes The New Mexico Botanist Newsletter.