Ronald Lee Hartman

Rayjacksonia is a genus of North American flowering plants in the family Asteraceae. It is one of several genera with the common name tansyaster. The genus is named in honor of American botanist Raymond Carl Jackson. Species Rayjacksonia annua (Rydb.) R.L.Hartm. & M.A.Lane - TX OK NM CO KS NE WY Rayjacksonia aurea (A.Gray) R.L.Hartm. & M.A.Lane - Texas Rayjacksonia phyllocephala (DC.) R.L.Hartm. & M.A.Lane Tamaulipas, TX LA MS FL

Torreyostellaria is a genus of flowering plants in the family Caryophyllaceae. It is monotypic, being represented by the single species Torreyostellaria jamesiana, commonly known as tuber starwort and sticky starwort, It is native to much of the western United States, where it can be found in sagebrush, coniferous forests, and many other types of habitat.

Eremogone franklinii is a species of perennial herb in the Caryophyllaceae family with the common name Franklin's sandwort. It is native to eastern Washington and Oregon to southern Idaho and northern Nevada.

Eremogone cliftoniii is a species of flowering plant in the family Caryophyllaceae known by the common name Clifton's eremogone. It is endemic to California, where it is known from 27 to 33 occurrences in Butte and Plumas Counties. It occurs in forests and chaparral habitat on weathered granite soils. Although limited in distribution it may be relatively abundant where it does occur. The plant was only described to science in 2007. This is a perennial herb with small, threadlike, pointed leaves up to 6 centimeters long. The terminal inflorescence is a cluster of flowers with petals 1 to 2

Cymopterus evertii is a species of flowering plant in the carrot family known by the common names Evert's springparsley and Evert's waferparsnip. It is native to Utah and Wyoming in the United States. This plant was first discovered in 1981 and described in 1986. It is a small perennial herb forming a low tuft of herbage from a branching caudex covered in the persistent bases of previous seasons' leaves. The leaves are up to 13 centimeters long and 1.6 wide. They are divided into many small sections. When crushed they smell like orange peels. The inflorescence is an umbel of tiny white

Cymopterus davisii is a species of flowering plant in the carrot family known by the common name Davis's springparsley. This small, flat, taprooted perennial is endemic to Idaho in the United States, where it occurs in the Albion Mountains. The plant is found in the Albion Division of the Minidoka Ranger District of Sawtooth National Forest. It reaches approximately 7 in (18 cm) in height with a short stem that is sheathed by fibrous leaf bases. Numerous leaves form a whorl around yellow-flowered umbels. Davis's springparsley was first collected by Ray J. Davis in 1939, who was a botany

Xanthisma coloradoense (syn. Aster coloradoensis, Machaeranthera coloradoensis) is a species of flowering plant in the family Asteraceae known by the common name Colorado tansyaster. It is native to Colorado and Wyoming in the United States. This cushion plant is a perennial herb growing from a taproot and branching caudex. It grows up to 14 centimeters tall, with several to many thick, hairy stems. The hairy leaves are lance-shaped to spatula-shaped and the edges are lined with large, sharp teeth tipped with bristles. The inflorescence is a solitary flower head with narrow, white-tipped

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Xanthisma spinulosum, the spiny goldenweed, is a species of flowering plant of the genus Xanthisma native to western North America. Xanthisma spinulosum grows in dry, sandy hot openings, cooler woodlands, and can be found blooming in the spring, summer, or fall.

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Dieteria bigelovii, also known as Bigelow's tansyaster or sticky aster, is a North American species of plants in the family Asteraceae.

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Vesper purpurascens, synonym Cymopterus purpurascens, is a species of flowering plant in the carrot family Apiaceae, known by the common name widewing springparsley. It is native to much of the western United States, including the desert regions. It is a perennial herb, often stemless, producing leaves and inflorescence from ground level or from a fibrous basal stalk. The waxy, fleshy leaves have blades divided into multilobed leaflets and are borne on short petioles. The inflorescence is a rounded cluster of flowers held on a peduncle which may be erect and several centimeters tall or nearly

Rayjacksonia aurea is a species of flowering plant in the family Asteraceae known by the common names Houston tansyaster and Houston camphor daisy. It is endemic to Texas in the United States, where it is known only from the Houston area. It is limited to Galveston and Harris Counties.

Lomatium shevockii is a rare species of flowering plant in the carrot family known by the common name Owens Peak desertparsley, or Owens Peak lomatium. It is endemic to Kern County, California, where it is known from only two occurrences at Owens Peak, one of the highest points of the Sierra Nevada. It is a plant of the talus and wooded slopes of the high mountains. This species was discovered in 1984 and first described to science in 1988. This is a perennial herb growing no more than about 12 centimeters tall from a thin taproot. There is generally no stem, the leaves and inflorescence

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Xanthisma junceum is a species of flowering plant in the family Asteraceae known by the common names rush bristleweed or rush-like bristleweed. It is native to northern Mexico and it occurs in the United States only as far north as San Diego County, California. It grows in coastal and inland slopes and canyons. It is a perennial herb growing erect to 1 m in height. The linear leaves are mostly located at the base of the plant, each 1–2 cm long and toothed or cut into bristle-tipped lobes. The inflorescence bears one or more flower heads lined with glandular, bristle-tipped phyllaries. The

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Vesper multinervatus, synonym Cymopterus multinervatus, is a species of flowering plant in the carrot family Apiaceae, known by the common name purplenerve springparsley. It is a perennial herb native to the southwestern United States, including the desert regions. It is stemless, producing leaves and inflorescence at ground level from a taproot. The leaves are erect on petioles of a few centimeters in length, with a fleshy blade dissected into waxy multilobed leaflets. The inflorescence arises on a stout purple or greenish peduncle up to about 14 centimeters tall. At the top is a rounded

Vesper is a genus of flowering plants belonging to the family Apiaceae. Its native range is western and central USA to north-western Mexico. It is found in the states of Arizona, California, Colorado, Idaho, Kansas, Nebraska, Nevada, New Mexico, Oklahoma, Oregon, South Dakota, Texas, Utah and Wyoming.

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