• Berberis vulgaris L., Common barberry, Introduced, Larimer Co., Photos Phytoimages, USDA_Plants

• Mahonia repens (Lindl.) G. Don, Holly-grape, Synonym: Berberis repens Lindl. See Yu et al. (2017, Taxon 66: 1371)., Native, Common, Photos Phytoimages, USDA_Plants

Betulaceae

• Alnus incana ssp. tenuifolia (Nutt.) Breitung, Alder, Native, Common, Photos Phytoimages, USDA_Plants

• Betula glandulosa Michx., Dwarf birch, Resin birch, Native, Common, Photos Phytoimages, USDA_Plants

• Betula occidentalis Hook., River Birch, Water Birch, Synonym: Betula fontinalis Sarg., Native, Common, Photos Phytoimages, USDA_Plants

• Betula X eastwoodiae Sarg., Hybrid birch, Hybrid between Betula glandulosa and B. occidentalis, Native, Abundance - Unknown, Photos Phytoimages, USDA_Plants

• Corylus cornuta Marshall, Beaked hazel, Bbeaked hazelnut, Western hazel, Native, Abundance - Unknown, Photos Phytoimages, USDA_Plants

Boraginaceae

• Amsinckia menziesii (Lehm.) A.Nelson & J.F.Macbr., Menzie's fiddleneck, Introduced, Common, Photos Phytoimages, USDA_Plants

• Anchusa azurea Mill, Common alkanet, Introduced, Larimer Co., Photos Phytoimages, USDA_Plants

• Asperugo procumbens L., Catchweed, Introduced, Larimer Co., Photos Phytoimages, USDA_Plants

• Cryptantha exigua Osterh., Cryptantha, Not listed in Ackerfield (2015). Collected in "Western Estes Park" ca. 1900 by George Osterhout. See Bull. Torrey Bot. Club 1930, 57: 560. Name not on USDA Plants, Native, Larimer Co., Photos Phytoimages, No USDA Plants link

• Cryptantha fendleri (A.Gray) Greene, Cryptantha, Synonym: Cryptantha pattersonii (A. Gray) Greene., Native, Abundance - Unknown, Photos Phytoimages, USDA_Plants

• Cryptantha minima Rydb., Little cryptantha, Little catseye, Small cryptantha, Native, Abundance - Unknown, Photos Phytoimages, USDA_Plants

• Cynoglossum officinale L., Gypsyflower, Houndstongue, Introduced, Common, Photos Phytoimages, USDA_Plants

• Eritrichium nanum (Vill.) Schrad. ex Gaudin var. elongatum (Rydb.) Cronquist, Alpine Forget-me-not, Arctic alpine Forget-me-not, Synonym: Eritrichium nanum var. argenteum (Wight) I M. Johnst. Eritrichium nanum var. aretioides = E. aretioides, not in CO, Native, Common, Photos Phytoimages, USDA_Plants

• Hackelia floribunda (Lehm.) I.M. Johnst., Manyflower stickseed, Tall stickweed, Native, Common, Photos Phytoimages, USDA_Plants

• Euploca convolvulacea Nutt., Bindweed heliotrope, Synonym: Heliotropium convolvulaceum (Nutt.) A. Gray var. convolvulaceum, Native, Weld Co., Photos Phytoimages, USDA_Plants

• Heliotropium curassavicum L., Seaside heliotrope, Salt heliotrope, Native, Weld Co., Photos Phytoimages, USDA_Plants

• Lappula occidentalis (S. Watson) Greene, Western stickseed, Beggar's tick, Synonym: Lappula redowskii (Hornem.) Greene, Native, Uncommon, Photos Phytoimages, USDA_Plants

• Lappula squarrosa (Retz.) Dumort., European stickseed, Synonyms: Lappula echinata Gilib, Lappula fremontii (Torr.) Greene, Introduced, Larimer Co., Photos Phytoimages, USDA_Plants

• Lithospermum incisum Lehm., Plains stoneseed, Puccoon, Native, Common, Photos Phytoimages, USDA_Plants

• Lithospermum multiflorum Torr. ex A. Gray, Southwestern stoneseed, Puccoon, Native, Common, Photos Phytoimages, USDA_Plants

• Mertensia ciliata (James ex Torr.) G. Don, Streamside bluebells, Chiming bells, Native, Common, Photos Phytoimages, USDA_Plants

• Mertensia lanceolata (Pursh) DC. ex A. DC., Prairie bluebells, Lanceleaf chiming bells, Native, Common, Photos Phytoimages, USDA_Plants

• Mertensia lanceolata (Pursh) DC. ex A. DC. var. nivalis (S. Watson) L. C. Higgins, Snowy bluebells, Native, Abundance - Unknown, Photos Phytoimages, USDA_Plants

• Myosotis asiatica (Vestergr.) Schischk. & Serg., Alpine Forget-me-not, Not listed in Ackerfield (2015) for Larimer county, Native, Uncommon, Photos Phytoimages, USDA_Plants

• Onosmodium bejariense DC. ex A. DC. var. occidentale (Mack.) B. L. Turner, Western marbleseed, Native, Larimer Co., Photos Phytoimages, USDA_Plants

• Oreocarya celosioides Eastw., Buttercandle, Synonym: Cryptantha celosioides (Eastw.) Payson, Native, Larimer Co., Photos Phytoimages, USDA_Plants

• Oreocarya thyrsiflora Greene, Calcareous cryptantha, Synonym: Cryptantha thyrsiflora (Greene) Payson, Native, Larimer Co., Photos Phytoimages, USDA_Plants

• Oreocarya virgata (Porter) Greene, Miner's candle, Synonym: Cryptantha virgata (Porter) Payson, Native, Common, Photos Phytoimages, USDA_Plants

• Plagiobothrys scouleri (Hook. & Arn.) I.M. Johnst. var. hispidulus (Greene) Dorn, Sleeping popcorn flower, Meadow popcorn flower, Native, Common, Photos Phytoimages, USDA_Plants

• Symphytum officinale L., Common comfrey, Introduced, Larimer Co., Photos Phytoimages, USDA_Plants