Lyman David Benson

American botanist (1909-1993).

Lyman David Benson (1909–1993) was an American botanist and author of Taxon names. He established roughly 500 names for cacti as well as 14 other taxon names.

Abbreviations: L.D.Benson
Occupations: university teacher, botanist
Citizenships: United States
Languages: English
Dates: 1909-01-01T00:00:00Z – 1993-01-01T00:00:00Z
Direct attributions: 66 plants, 0 fungi
Authorship mentions: 93 plants, 0 fungi

66 plants attributed, 27 plants contributed to93 plants:

Pediocactus bradyi (Brady's Pincushion Cactus) L.D.Benson 1962
plant species in the cactaceae family
Pediocactus bradyi is a very rare species of cactus known by the common names Brady's pincushion cactus, Brady's hedgehog cactus, and Marble Canyon cactus. It is endemic to Arizona in the US, where it is restricted to Marble Canyon in Coconino County, though its exact distribution is not generally advertised due to poaching concerns. It is limited to a specific type of soil, it has a small distribution, and the species is threatened by a number of human activities. This has been a federally listed endangered species of the United States since 1979.
Sclerocactus mesaeverdae (Mesa Verde Fish-hook Cactus) (Boissev. & C.Davidson) L.D.Benson 1966
plant species in the cactaceae family
Sclerocactus mesae-verdae, the Mesa Verde cactus or Mesa Verde fishhook cactus, is a species of cactus native to northwestern New Mexico and southwestern Colorado. It is known only from Montezuma County (Colorado) and San Juan County (New Mexico). Much of the New Mexico part of the range lies inside land controlled by the Navajo Nation. The Colorado populations lie close to Mesa Verde National Park.
Sclerocactus wrightiae (Wright's Fishhook Cactus) L.D.Benson 1966
plant species in the cactaceae family
Sclerocactus wrightiae is a rare species of cactus known by the common names Wright's little barrel cactus and Wright's fishhook cactus. Dr. Lyman Benson named this species for North American cactus expert Dorde Wright Woodruff, who initially discovered it in 1961 and brought it to the attention of Dr. Benson. Dr. Benson and Ms. Woodruff later collaborated in connection with other Sclerocactus taxa in the Intermountain West.
Sclerocactus glaucus (Colorado Hookless Cactus) (K.Schum.) L.D.Benson 1966
plant species in the cactaceae family
Sclerocactus glaucus is a rare species of cactus known by the common name Colorado hookless cactus. It is endemic to Colorado in the United States, where it is known only from the area between Grand Junction and Montrose. It is a federally listed threatened species. The description of this species formerly included plants now belonging to Sclerocactus brevispinus and Sclerocactus wetlandicus, two cacti endemic to Utah. When the second of the two species was separated in 1994, the name S. glaucus was applied only to plants found in Colorado; it made the common name Uinta Basin hookless cactus
Epithelantha bokei (Boke's Button Cactus) L.D.Benson 1969
plant species in the cactaceae family
Epithelantha bokei is a species of cactus known by the common names pingpong ball cactus and button-cactus. It is native to Texas in the United States and Coahuila in Mexico. This cactus is disc-shaped or cylindrical and usually unbranched. It has a flat top. It usually measures 2 to 5 centimeters in width. It is so thickly covered in pale-colored spines that it is white or yellowish in color. There are up to 90 on each areole. The longest are about 7 millimeters in length. The delicate pale pink flowers are up to 1.7 centimeters long and wide. The red fruit is about a centimeter long. Much
Sclerocactus pubispinus (Great Basin Fishhook Cactus) (Engelm.) L.D.Benson 1966
plant species in the cactaceae family
Sclerocactus pubispinus is a species of Sclerocactus found from Nevada to Utah.
Pediocactus sileri (Siler's Pincushion Cactus) (Daul) L.D.Benson 1961
plant species in the cactaceae family
Pediocactus sileri is a rare species of cactus known by the common names Siler's pincushion cactus and gypsum cactus (or gypsum plains cactus). It is native to southwestern Utah and northwestern Arizona in the United States. It is limited to a specific type of soil, individuals are often spaced far apart, and the species is threatened by a number of human activities such as off-road vehicle use, poaching, and uranium mining. This is a federally listed threatened species of the United States.
Pediocactus peeblesianus (Navajo Pincushion Cactus) (Croizat) L.D.Benson 1962
plant species in the cactaceae family
Pediocactus peeblesianus is a rare species of cactus known by the common names Navajo pincushion cactus. It is endemic to the state of Arizona in the United States. The species is named after the Arizona botanist Robert Hibbs Peebles.
Pediocactus knowltonii (Knowlton's Cactus) L.D.Benson 1960
critically endangered plant species in the cactaceae family
Pediocactus knowltonii is a rare species of cactus known by the common names Knowlton's miniature cactus, Knowlton's pincushion cactus, and Knowlton's minute cactus.
Sclerocactus spinosior (Desert Valley Fish-hook Cactus) (Engelm.) D.Woodruff & L.D.Benson 1976
plant species in the cactaceae family
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Echinocereus fasciculatus (Pinkflower Hedgehog Cactus) (Engelm.) L.D.Benson 1969
plant species in the cactaceae family
Echinocereus fasciculatus, commonly known as pinkflower hedgehog cactus, is a clumping cactus (Cactaceae) with brilliant magenta flowers and long spines found in the Sonoran Desert.
Ranunculus pacificus (Pacific Buttercup) (Hultén) L.D.Benson 1948
perennial plant species in the ranunculaceae family
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Ranunculus oresterus (Blue Mountain Buttercup) L.D.Benson 1939
perennial plant species in the ranunculaceae family
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Pleuropogon davyi L.D.Benson 1941
annual and perennial plant species in the poaceae family
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Haplophyton crooksii (Cockroach Plant) (L.D.Benson) L.D.Benson 1943
plant species in the apocynaceae family
Haplophyton crooksii is a plant species native to Arizona, New Mexico, Texas, and northern Mexico. It is an herb up to 60 cm tall, with showy yellow flowers, found on rocky slopes in desert scrub and desert grassland. The plant is commonly called the cockroach plant (or hierba de la cucaracha) because of its insecticidal properties.
Ranunculus eastwoodianus (Eastwood's Buttercup) L.D.Benson 1940
plant species in the ranunculaceae family
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Ranunculus coloradensis (Colorado Buttercup) (L.D.Benson) L.D.Benson 1948
plant species in the ranunculaceae family
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Ranunculus austrooreganus (Southern Oregon Buttercup) L.D.Benson 1954
perennial plant species in the ranunculaceae family
Ranunculus austro-oreganus, the Southern Oregon buttercup, is a plant species endemic to the region around Medford, Oregon. It grows on grassy areas at elevations less than 500 m (1650 feet). Ranunculus austro-oreganus is an erect to ascending herb not rooting at the nodes. Leaves are 3-parted, up to 5 cm (2 inches) long and about as wide. Flower petals are each up to 12 mm (0.5 inches) long, yellow with prominent red veins visible on the back but not on the front. Achenes are hemispheric with a persistent straight or curved beak. The species is closely related to R. occidentalis.
Opuntia nicholii L.D.Benson 1950
plant species in the cactaceae family
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Ranunculus montigenitus L.D.Benson 1948
perennial plant species in the ranunculaceae family
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Ranunculus gentryanus L.D.Benson 1948
plant species in the ranunculaceae family
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Yucca baccata var. brevifolia (Spanish Dagger) L.D.Benson & Darrow 1943
plant variety in the asparagaceae family
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Ranunculus flammula var. ovalis (Greater Creeping Spearwort) (Bigelow) L.D.Benson 1942
perennial plant variety in the ranunculaceae family
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Opuntia phaeacantha var. camanchica (Engelm. & J.M.Bigelow) L.D.Benson 1969
plant variety in the cactaceae family
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Opuntia basilaris var. longiareolata (Grand Canyon Beavertail Pricklypear) (Clover & Jotter) L.D.Benson 1950
plant variety in the cactaceae family
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Trifolium wormskioldii var. longicaule (Wooton & Standl.) L.D.Benson 1941
perennial plant variety in the fabaceae family
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Rhus virens var. choriophylla (Wooton & Standl.) L.D.Benson 1981
plant variety in the anacardiaceae family
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Ranunculus uncinatus var. parviflorus (Woodland Buttercup) (Torr.) L.D.Benson 1948
plant variety in the ranunculaceae family
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Ranunculus uncinatus var. earlei (Greene) L.D.Benson 1948
plant variety in the ranunculaceae family
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Ranunculus pusillus var. angustifolius (Engelm.) L.D.Benson 1942
plant variety in the ranunculaceae family
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