Orobanchaceae

• Agalinis tenuifolia (Vahl) Raf., Slenderleaf false foxglove, Native, Larimer Co., Photos Phytoimages, USDA_Plants

• Aphyllon fasciculatum (Nutt.) Torr. & A. Gray, Clustered broomrape, Tufted broomrape, Synonym: Orobanche ludoviciana Nutt., Native, Common, Photos Phytoimages, USDA_Plants

• Aphyllon ludovicianum (Nutt.) A. Gray, Louisiana broomrape, Synonym: Orobanche fasciculata Nutt., Native, Larimer Co., Photos Phytoimages, USDA_Plants

• Aphyllon riparium (L. T. Collins) A.C. Schneid., River broomrape, Synonym: Orobanche riparia L.T. Collins, Native, Jackson & Weld Cos., Photos Phytoimages, USDA_Plants

• Aphyllon uniflorum (L.) A. Gray, Naked broomrape, One-flowered broomrape, Synonym: Orobanche uniflora L., Native, Abundance - Unknown, Photos Phytoimages, USDA_Plants

• Castilleja chromosa A. Nelson, Red desert paintbrush, Native, Larimer Co., Photos Phytoimages, USDA_Plants

• Castilleja flava S. Watson, Yellow Indian paintbrush, Native, Abundance - Unknown, Photos Phytoimages, USDA_Plants

• Castilleja integra A. Gray, Wholeleaf Indian paintbrush, Native, Larimer Co., Photos Phytoimages, USDA_Plants

• Castilleja linariifolia Benth., Wyoming paintbrush, Narrow-leaved paintbrush, Native, Common, Photos Phytoimages, USDA_Plants

• Castilleja miniata Douglas ex Hook., Red Indian paintbrush, Scarlet paintbrush, Native, Common, Photos Phytoimages, USDA_Plants

• Castilleja occidentalis Torr., Western Indian paintbrush, Western yellow paintbrush, Native, Common, Photos Phytoimages, USDA_Plants

• Castilleja puberula Rydb., Shortflowered paintbrush, Shortflower Indian paintbrush, Native, Common, Photos Phytoimages, USDA_Plants

• Castilleja rhexiifolia Rydb., Splitleaf Indian paintbrush, Rosy paintbrush, Native, Common, Photos Phytoimages, USDA_Plants

• Castilleja scabrida Eastw., Rough Indian paintbrush, Native, Grand Co., Photos Phytoimages, USDA_Plants

• Castilleja sessiliflora Pursh, Downy paintedcup, Native, Larimer Co., Photos Phytoimages, USDA_Plants

• Castilleja sulphurea Rydb., Sulphur Indian paintbrush, Northern paintbrush, Native, Common, Photos Phytoimages, USDA_Plants

• Cordylanthus ramosus Nutt. ex Benth., Bushy bird's beak, Native, Larimer Co., Photos Phytoimages, USDA_Plants

• Orthocarpus luteus Nutt., Yelllow owl's clover, Native, Common, Photos Phytoimages, USDA_Plants

• Pedicularis bracteosa ssp. paysoniana (Pennell) Cronquist, Payson's lousewort, Synonym: Pedicularis bracteosa Benth. ssp. paysoniana (Pennell) W.A. Weber, Native, Common, Photos Phytoimages, USDA_Plants

• Pedicularis crenulata Benth., Meadow lousewort, Purple lousewort, Native, Common, Photos Phytoimages, USDA_Plants

• Pedicularis groenlandica Retz., Elephant's head, Elephantella, Little pink elephants, Native, Common, Photos Phytoimages, USDA_Plants

• Pedicularis parryi A. Gray, Parry's Lousewort, Native, Common, Photos Phytoimages, USDA_Plants

• Pedicularis procera A. Gray, Giant lousewort, gray lousewort, Synonym: Pedicularis grayi A. Nelson, Native, Common, Photos Phytoimages, USDA_Plants

• Pedicularis racemosa Douglas ex Benth. var. alba (Pennell) Cronquist, Sickletop lousewort, Mountain Figwort, Native, Common, Photos Phytoimages, USDA_Plants

• Pedicularis sudetica ssp. scopulorum (A. Gray) Hultén, Sudetic lousewort, Alpine lousewort, Native, Common, Photos Phytoimages, USDA_Plants

• Rhinanthus minor L., Little yellow rattle, Native, Boulder Co., Photos Phytoimages, USDA_Plants

Oxalidaceae

• Oxalis corniculata L., Creeping yellow wood-sorrel, Introduced, Larimer Co., Photos Phytoimages, USDA_Plants

• Oxalis dillenii Jacq., Slender yellow wood-sorrel, Native, Larimer Co., Photos Phytoimages, USDA_Plants

• Oxalis stricta L., Yellow wood-sorrel, Common yellow oxalis, Synonym: Oxalis europaea Jord., Introduced, Larimer Co., Photos Phytoimages, USDA_Plants