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Plant Checklist for the Rocky Mountain National Park

Tamaricaceae

Tamarix chinensis Lour., Salt-cedar, Five-stamen tamarisk, Synonyms: Tamarix ramosissima Ledeb., Tamarix pentandra authors, not Pall., Introduced, Larimer Co., Photos Phytoimages, USDA_Plants

Thesiaceae

Comandra umbellata (L.) Nutt. ssp. pallida (A. DC.) Piehl, Pale bastard toadflax, Native, Larimer Co., Photos Phytoimages, USDA_Plants

Typhaceae

Sparganium angustifolium Michx., Narrowleaf bur-reed, Narrow-leaved bur-reed, Native, Common, Photos Phytoimages, USDA_Plants

Sparganium emersum Rehmann, Emergent bur-reed, European bur-reed, Synonym: Sparganium multipedunculatum (Morong) Rydb., Native, Larimer Co., Photos Phytoimages, USDA_Plants

Sparganium eurycarpum Engelm., Broadfruit bur-reed, Native, Weld Co., Photos Phytoimages, USDA_Plants

Sparganium natans L., Small bur-reed, Synonym: Sparganium minimum (Hartman) Wallr., Native, Uncommon, Photos Phytoimages, USDA_Plants

Typha angustifolia L., Narrowleaf cattail, Narrow-leaved cattail, Native, Abundance - Unknown, Photos Phytoimages, USDA_Plants

Typha latifolia L., Broadleaf cattail, Broad-leaved cattail, Hybrids exist between T. angustifolia and T. latifolia, Native, Larimer Co., Photos Phytoimages, USDA_Plants

Ulmaceae

Ulmus pumila L., Siberian elm, Introduced, Larimer Co., Photos Phytoimages, USDA_Plants

Urticaceae

Parietaria pensylvanica Muhl. ex Willd., Pennsylvania pellitory, Native, Abundance - Unknown, Photos Phytoimages, USDA_Plants

Urtica dioica L. ssp. gracilis (Aiton) Seland., Stinging nettle, Tall nettle, Synonym: Urtica dioica L. var. procera (Muhl. ex Willd.) Weddell, Native, Larimer Co., Photos Phytoimages, USDA_Plants

Valerianaceae

Valeriana acutiloba Rydb., Sharpleaf valerian, Synonym: Valeriana capitata Pall. ex Link ssp. acutiloba (Rydb.) F.G. Mey., Native, Common, Photos Phytoimages, USDA_Plants

Valeriana edulis Nutt., Tobacco root, Tobaccoroot, Edible valerian, Native, Common, Photos Phytoimages, USDA_Plants

Valeriana occidentalis A. Heller, Western valerian, Small-flower valerian, Native, Common, Photos Phytoimages, USDA_Plants

Verbenaceae

Glandularia bipinnatifida (Nutt.) Nutt., Dakota mock vervain, Synonym: Verbena ambrosiifolia Rydb. ex Small, Verbena bipinnatifida Nutt., Native, Larimer Co., Photos Phytoimages, USDA_Plants

Phyla cuneifolia (Torr.) Greene, Wedge-leaf frogfruit, Wedgeleaf, Synonym: Lippia cuneifolia (Torr.) Steud., Native, Larimer Co., Photos Phytoimages, USDA_Plants

Verbena bracteata Cav. ex Lag. & Rodr., Prostrate vervain, Bigbract verbena, Introduced, Abundance - Unknown, Photos Phytoimages, USDA_Plants

Verbena hastata L., Swamp verbena, Native, Larimer Co., Photos Phytoimages, USDA_Plants

Verbena stricta Vent., Hoary verbena, Native, Boulder & Weld Cos., Photos Phytoimages, USDA_Plants

Violaceae

Hybanthus verticillatus (Ortega) Baill., Baby-slippers, Babyslippers, Native, Larimer Co., Photos Phytoimages, USDA_Plants

Viola adunca Sm., Hook-spurred violet, hookedspur violet, Hook violet, Synonyms: Viola bellidifolia Greene, Viola labradorica Schrank, Native, Common, Photos Phytoimages, USDA_Plants

Viola biflora L., Arctic yellow violet, Native, Uncommon, Photos Phytoimages, USDA_Plants

Viola canadensis L., Canadian white violet, Rydberg violet, Synonyms: Viola rugulosa Greene, Viola rydbergii Greene, Viola scopulorum (A. Gray) Greene, Viola canadensis var. rugulosa (Greene) C.L. Hitchc., Viola canadensis var. scopulorum (A. Gray) House, Native, Common, Photos Phytoimages, USDA_Plants

Viola kitaibeliana Schult., Field pansy, Synonym: Viola bicolor Pursh, Viola rafinesquei Greene, Introduced, Larimer Co., Photos Phytoimages, USDA_Plants

Viola labradorica Schrank, Alpine violet, Native, Shown for Colorado on USDA Plants website, but very disjunct from eastern and northern North America. Error?, Photos Phytoimages, USDA_Plants

Viola nuttallii Pursh, Nuttall's violet, Synonyms: Viola linguifolia Nutt., Viola praemorsa Douglas ex Lindl., Viola vallicola A. Nelson, Viola vallicola var. major A. Nelson, Native, Larimer Co., Photos Phytoimages, USDA_Plants

Viola odorata L., Sweet violet, Introduced, Boulder Co., Photos Phytoimages, USDA_Plants

Viola palustris L., Marsh violet, Dwarf marsh violet, Northern white violet, White violet, Smooth white violet, Synonym: Viola macloskeyi Lloyd, Viola renifolia A. Gray, Viola macloskeyi ssp. pallens (Banks ex Ging) M.S. Baker, Viola epipsila ssp. repens (Turcz. ex Trautv. & C.A. Mey.) Becker, Native, Abundance - Unknown, Photos Phytoimages, USDA_Plants

Viola pedatifida G. Don, Prairie violet, Native, Boulder Co., Photos Phytoimages, USDA_Plants

Viola selkirkii Pursh ex Goldie, Selkirk's violet, Great-spurred violet, Native, Larimer Co., Photos Phytoimages, USDA_Plants

Viola sororia Willd., Bog violet, Synonyms: Viola affinis Leconte, Viola nephrophylla Greene, Viola papilionacea Pursh. Not listed for Colorado in USDA Plants, Native, Larimer Co., Photos Phytoimages, USDA_Plants

Viola tricolor L., Johnny Jump-up, Not reported for Colorado in USDA Plants, Introduced, Larimer Co., Photos Phytoimages, USDA_Plants

Viscaceae

Arceuthobium americanum Nutt. ex A.Gray, American dwarf mistletoe, Native, Abundance - Unknown, Photos Phytoimages, USDA_Plants

Arceuthobium campylopodum ssp. cyanocarpum (A.Nelson) Abrams, Limber pine dwarf mistletoe, Synonym: Arceuthobium cyanocarpum (A. Nelson ex Rydb.) A. Nelson, Native, Abundance - Unknown, Photos Phytoimages, USDA_Plants

Arceuthobium vaginatum (Willd.) J. Presl ssp. cryptopodum (Engelm.) Hawksw. & Wiens, Ponderosa pine dwarf mistletoe, Native, Abundance - Unknown, Photos Phytoimages, USDA_Plants

Vitaceae

Parthenocissus quinquefolia (L.) Planch., Virginia creeper, Introduced, Larimer Co., Photos Phytoimages, USDA_Plants

Parthenocissus vitacea (Knerr) Hitchc., Woodbine, Thicket creeper, Native, Larimer Co., Photos Phytoimages, USDA_Plants

Vitis riparia Michx., Riverbank grape, River bank grape, Native, Larimer Co., Photos Phytoimages, USDA_Plants

Zanichelliaceae

Zannichellia palustris L., Horned pondweed, Native, Larimer Co., Photos Phytoimages, USDA_Plants

Zygophyllaceae

Tribulus terrestris L., Puncture vine, Puncturevine, Introduced, Larimer Co., Photos Phytoimages, USDA_Plants