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Ute’s Ladies Tresses Orchid (Spiranthes diluvialis)

Ute’s Ladies Tresses Orchid (Spiranthes diluvialis)

by | Apr 1, 2021

Ute’s Ladies Tresses Orchid (Spiranthes diluvialis), Orchid Family (Orchidaceae). Native and G2S2, imperiled in Colorado and globally. It was federally listed in 1992 when it was only thought to be in Colorado, but since then has been found in several western...
Yellowspine Thistle (Cirsium ochrocentrum)

Yellowspine Thistle (Cirsium ochrocentrum)

by | Apr 1, 2021

Yellowspine Thistle (Cirsium ochrocentrum), Aster Family (Asteraceae). Native and common in dry soild of theastern plains, along roadsides, and on dry, open slopes from plains and semi-desert shrublands to montane on the eastern and western slopes. Blooms from June...
Gray’s Draba (Draba grayana)

Gray’s Draba (Draba grayana)

by | Mar 31, 2021

Gray’s Draba (Draba grayana), Mustard Family (Brassicaceae). Native and G2 S2 Imperiled globally and endemic in Colorado. There are 30 documented occurrences, 12 of which have not been seen in over 20 years. Primary threats are non-motorized human activity. This...