R.J. Meinke

Kalmiopsis fragrans is a rare species of flowering plant in the heath family known by the common name North Umpqua kalmiopsis. It is endemic to Oregon in the United States, where there are just a few known populations, all within Douglas County. This plant has been known since the 1950s but it was generally treated as a form of Kalmiopsis leachiana. In 2007 it was separated and described as a new species. It differs slightly from K. leachiana in the size and shape of the flower.

Astragalus anxius is a rare species of milkvetch known by the common names troubled milkvetch and Ash Valley milkvetch. It is endemic to northern Lassen County, California, where it is critically imperiled. It was formally described in 1992.

Lomatium erythrocarpum, known by the common name redfruit desertparsley, is a rare species of flowering plant in the carrot family. It is endemic to Oregon in the United States, where it is limited to a section of the Blue Mountains within Baker County. This wild plant is a petite perennial herb with leaves that lie against the ground and a flowering stalk that grows just a few centimeters tall. The hairless, gray-green, waxy-textured leaves are finely divided into many tiny segments. The leaf morphology may help it retain heat and increase photosynthesis, which is necessary because it grows

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Erythranthe hymenophylla, synonym Mimulus hymenophyllus, is a species of flowering plant in the lopseed family known by the common names thinsepal monkeyflower and membrane-leaf monkeyflower. It is native to Hells Canyon on the border between Oregon and Idaho in the United States. It has also been reported from Montana. This plant is a perennial herb producing masses of thin, fragile, winged stems up to 25 centimeters long. They are coated in glandular hairs with a slimy exudate. The leaves are oppositely arranged in pairs. They are lance-shaped to oval with pointed tips and are very thin,

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