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GYMNOSPERMS – 22 species, 1 variety

Cupressaceae – 5 species

Cupressus arizonica Greene – ARIZ: Apa

      Juniperus communis L. var. depressa Pursh – ARIZ: Apa; COLO: Arc, Hin, LPl, Min, Mon, RGr, SJn; NMEX: McK, SJn; UTAH

Juniperus monosperma (Engelm.) Sarg. – ARIZ: Apa; NMEX: McK, San, SJn

      Juniperus osteosperma (Torr.) Little – ARIZ: Apa, Coc, Nav; COLO: Arc, Dol, LPl, Mon, SMg; NMEX: McK, RAr, San, SJn; UTAH

      Juniperus scopulorum Sarg. – ARIZ: Apa, Nav; COLO: Arc, Dol, Hin, LPl, Mon, SJn, SMg; NMEX: McK, RAr, SJn; UTAH

Ephedraceae – 4 species

Ephedra cutleri Peebles – ARIZ: Apa, Coc, Nav; COLO: Mon; NMEX: McK, SJn; UTAH

Ephedra nevadensis S. Wats. – ARIZ: Coc, Nav; UTAH

Ephedra torreyana S. Wats. – ARIZ: Apa, Nav; COLO: Mon; NMEX: McK, SJn; UTAH

      Ephedra viridis Cov. – ARIZ: Apa, Coc, Nav; COLO: Dol, LPl, Mon; NMEX: McK, RAr, SJn; UTAH

Pinaceae – 12 species, 1 variety

Abies bifolia A. Murray

      var. arizonica (Mirriam) O’Kane & Heil – COLO: Arc, Hin, LPl, Min, Mon, RGr, SJn; NMEX: SJn; UTAH.

      var. bifolia – ARIZ: Apa; COLO: Arc, LPl, Min, Mon, SJn; UTAH

Abies concolor (Gord & Glend.) Hoopes – ARIZ: Apa; COLO: Arc, Hin, LPl, Min, Mon, SJn; NMEX: RAr, SJn; UTAH

Picea engelmannii Parry – ARIZ: Apa; COLO: Arc, Con, Hin, LPl, Mon, RGr, SJn; UTAH

Picea pungens Engelm. – ARIZ: Apa; COLO: Arc, Hin, LPl, Min, Mon, RGr, SJn; NMEX: SJn

Pinus aristata Engelm. – COLO: Min, RGr

Pinus contorta Dougl. ex Loudon var. latifolia Engelm. – COLO: Hin, LPl, Mon, SJn

      Pinus edulis Engelm. – ARIZ: Apa, Coc, Nav; COLO: Arc, Dol, LPl, Mon, SMg; NMEX: McK, RAr, San, SJn; UTAH

Pinus flexilis James – UTAH

Pinus monophylla Torr. & Frιm. in Frιm. – UTAH

      Pinus ponderosa Laws. var. scopulorum Engelm. – ARIZ: Apa, Nav; COLO: Arc, Dol, Hin, LPl, Min, Mon, SJn, SMg; NMEX: McK, RAr, San, SJn; UTAH

Pinus strobiformis Engelm. – COLO: Arc, Hin, LPl, Min, Mon, SJn; UTAH

      Pseudotsuga menziesii (Mirbel) Franco var. glauca (Mayr) Franco – ARIZ: Apa, Nav; COLO: Arc, Dol, Hin, LPl, Min, Mon, RGr, SJn; NMEX: McK, RAr, SJn; UTAH