Leigh Alma Johnson

American botanist.

Abbreviations: L.A.Johnson
Occupations: researcher, botanist, botanical collector
Citizenships: United States
Dates: 1966-00-00T00:00:00Z
Birth place: Payson
Direct attributions: 79 plants, 0 fungi
Authorship mentions: 80 plants, 0 fungi

79 plants attributed, 1 plant contributed to80 plants:

Saltugilia (V.E.Grant) L.A.Johnson 2000
plant genus in the polemoniaceae family
Saltugilia is a genus of flowering plants in the phlox family, Polemoniaceae. They are known commonly as woodland gilias. There are four species. Two are endemic to California in the United States, and the distributions of the other two extend into Baja California in Mexico. This genus was erected in the year 2000 to segregate three species from the genus Gilia on the basis of phylogenetic evidence. Analysis of DNA was used in the formation of the new taxon, and studies of other characteristics of the plants, such as morphological, palynological, and ecological traits, were considered.
Navarretia leptalea (Bridges' Pincushionplant) (A.Gray) L.A.Johnson 2000
annual plant species in the polemoniaceae family
Navarretia leptalea (formerly Gilia leptalea) is a species of flowering plant in the phlox family known by the common name Bridges' pincushionplant. It is native to the Sierra Nevada and southern Cascade Range in California and Oregon, where it grows in colorful carpets in mountain meadows. It produces glandular stems with linear or narrowly oval-shaped leaves. The tiny stem is topped with an inflorescence of one or more funnel-shaped pink flowers with long, narrow throats.
Saltugilia splendens (Grinnell's Gilia) (Douglas ex H.Mason & A.D.Grant) L.A.Johnson 2007
annual plant species in the polemoniaceae family
Saltugilia splendens, is a species of flowering plant in the phlox family known by the common names splendid woodland-gilia, Grinnell's gilia and splendid gilia. It is endemic to California, where it grows in the chaparral and forests of the southern California Coast Ranges, the Transverse Ranges, and the San Jacinto Mountains.
Saltugilia australis (Southern Gilia) (H.Mason & A.D.Grant) L.A.Johnson 2000
plant species in the polemoniaceae family
Saltugilia australis (syn. Gilia australis) is a species of flowering plant in the phlox family known by the common name southern gilia. It is endemic to southern California, where it grows in sandy habitat in the Transverse Ranges, Peninsular Ranges, and Mojave Desert mountains.
Navarretia sinistra (Alva Day's Pincushionplant) (M.E.Jones) L.A.Johnson 2000
annual plant species in the polemoniaceae family
Navarretia sinistra (formerly Gilia sinistra) is a species of flowering plant in the phlox family known by the common name Alva Day's pincushionplant.
Linanthus pungens (Granite Prickly-phlox) (Torr.) J.M.Porter & L.A.Johnson 2000
plant species in the polemoniaceae family
Linanthus pungens (syn. Leptodactylon pungens) is a species of flowering plant in the phlox family known by the common names granite prickly-phlox and granite gilia. It is native to western North America from British Columbia to Baja California and east to Montana and New Mexico. This plant has been called a shrub or a perennial herb with an especially woody base. It produces several stems which may grow erect or may be short and spreading, forming a mat. Mat-forming plants are more common at higher elevations. When erect it can reach 80 centimetres (2+7⁄12 ft) in height but is usually
Leptosiphon rattanii (Rattan's Linanthus) (A.Gray) J.M.Porter & L.A.Johnson 2000
annual plant species in the polemoniaceae family
Leptosiphon rattanii (syn. Linanthus rattanii) is a rare species of flowering plant in the phlox family known by the common name Rattan's linanthus. It is endemic to California, where it is known only from inner sections of the North Coast Ranges. It is a small, thin annual herb producing a hairy, glandular stem up to 20 centimeters tall. The leaves are divided into tiny threadlike lobes. The inflorescence is generally made up of a single flower with a very thin, hairy, reddish tube over a centimeter long tipped with a flat white corolla with lobes a few millimeters in length.
Leptosiphon pygmaeus (Pygmy Linanthus) (Brand) J.M.Porter & L.A.Johnson 2000
plant species in the polemoniaceae family
Leptosiphon pygmaeus (syn. Linanthus pygmaeus) is a species of flowering plant in the phlox family known by the common name pygmy linanthus.
Leptosiphon pachyphyllus (Sierra Linanthus) (R.Patt.) J.M.Porter & L.A.Johnson 2000
perennial plant species in the polemoniaceae family
Leptosiphon pachyphyllus (syn. Linanthus pachyphyllus) is a species of flowering plant in the phlox family, known by the common name Sierra linanthus.
Leptosiphon nuttallii (Nuttall's Linanthus) (A.Gray) J.M.Porter & L.A.Johnson 2000
plant species in the polemoniaceae family
Leptosiphon nuttallii is a species of flowering plant in the phlox family known by the common name Nuttall's linanthus. It is native to much of western North America, including the Western United States from California to New Mexico and Montana, and Northwestern Mexico. It is known from many types of habitat. It is native to the Klamath Mountains, Northern California Coast Ranges and Sierra Nevada in Northern California; and the Inyo Mountains, Peninsular Ranges, Transverse Ranges, and White Mountains in Southern California.
Leptosiphon montanus (Mustang Clover) (Greene) J.M.Porter & L.A.Johnson 2000
annual plant species in the polemoniaceae family
Leptosiphon montanus (synonym Linanthus montanus) is a species of flowering plant in the phlox family, known by the common name "mustang clover".
Leptosiphon liniflorus (Narrowflower Flaxflower) (Benth.) J.M.Porter & L.A.Johnson 2000
annual plant species in the polemoniaceae family
Leptosiphon liniflorus is a species of flowering plant in the phlox family known by the common name narrowflower flaxflower. It is native to the western United States from Washington and Idaho, through Oregon and Nevada, and across California. It grows below 1,700 metres (5,600 ft), in many types of habitats, including chaparral, oak woodland, grasslands, yellow pine forest, and on serpentine soils.
Leptosiphon breviculus (Mojave Linanthus) (A.Gray) J.M.Porter & L.A.Johnson 2000
annual plant species in the polemoniaceae family
Leptosiphon breviculus is a species of flowering plant in the phlox family known by the common name Mojave linanthus. It is endemic to California, where it is known from the Mojave Desert and dry spots in the adjacent Transverse Ranges. It is an annual herb producing a thin, hairy stem up to about 25 centimeters tall. The hairy, oppositely arranged leaves are each divided into very narrow needle-like lobes up to a centimeter long. The tip of the stem is occupied by an inflorescence of one or more white, pink, or blue flowers with purple throats, each about a centimeter wide. The length of the
Loeseliastrum depressum (Depressed Ipomopsis) (M.E.Jones ex A.Gray) J.M.Porter & L.A.Johnson 2000
annual plant species in the polemoniaceae family
Loeseliastrum depressum (formerly Ipomopsis depressa) is a species of flowering plant in the phlox family known by the common name depressed ipomopsis. It is native to the deserts of the southwestern United States, where it grows in sandy habitat. It is a petite, decumbent annual herb forming a small clump on the ground, its hairy, glandular stems no more than 10 centimeters long. The leaves are linear to oval and pointed, each not more than 2 centimeters long. They are coated in white hairs. The inflorescence is a dense cluster of tiny white flowers, each pointed corolla lobe just a
Linanthus inyoensis (Inyo Gilia) (I.M.Johnst.) J.M.Porter & L.A.Johnson 2000
annual plant species in the polemoniaceae family
Linanthus inyoensis (formerly Gilia inyoensis) is a species of flowering plant in the phlox family known by the common name Inyo gilia. It is native to eastern California and western Nevada, where it is a common member of the flora in several types of habitat at the western edge of the Great Basin where it meets the Sierra Nevada into the High Sierra Nevada, Inyo Mountains, and White Mountains. Description Linanthus inyoensis is a petite herb, growing up to 10 centimeters tall. Its hair-thin stem glandular on the upper parts and coated in white hairs below. The leaves are just a few
Leptosiphon septentrionalis (Northern Linanthus) (H.Mason) J.M.Porter & L.A.Johnson 2000
annual plant species in the polemoniaceae family
Leptosiphon septentrionalis is a species of flowering plant in the phlox family known by the common name northern linanthus.
Leptosiphon oblanceolatus (Sierra Nevada Linanthus) (Brand) J.M.Porter & L.A.Johnson 2000
annual plant species in the polemoniaceae family
Leptosiphon oblanceolatus (syn. Linanthus oblanceolatus) is a species of flowering plant in the phlox family known by the common name Sierra Nevada linanthus.
Leptosiphon nudatus (Tehachapi Linanthus) (Greene) J.M.Porter & L.A.Johnson 2000
annual plant species in the polemoniaceae family
Leptosiphon nudatus (syn. Linanthus nudatus) is a species of flowering plant in the phlox family known by the common name Tehachapi linanthus.
Leptosiphon lemmonii (Lemmon's Linanthus) (A.Gray) J.M.Porter & L.A.Johnson 2000
plant species in the polemoniaceae family
Leptosiphon lemmonii (syn. Linanthus lemmonii) is a species of flowering plant in the phlox family known by the common name Lemmon's linanthus. Leptosiphon lemmonii is native to the San Bernardino Mountains and the Peninsular Ranges in southern California (U.S.) and northern Baja California (México). It grows below 1,900 metres (6,200 ft), in dry inland chaparral, oak woodlands, the Colorado Desert chaparral ecotone, and Yellow pine forest habitats.
Leptosiphon harknessii (Harkness' Flaxflower) (Curran) J.M.Porter & L.A.Johnson 2000
annual plant species in the polemoniaceae family
Leptosiphon harknessii (syn. Linanthus harknessii) is a species of flowering plant in the phlox family known by the common name Harkness' flaxflower.
Leptosiphon floribundus (Many-flower Linanthus) (A.Gray) J.M.Porter & L.A.Johnson 2000
perennial plant species in the polemoniaceae family
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Leptosiphon filipes (Thread Linanthus) (Benth.) J.M.Porter & L.A.Johnson 2000
annual plant species in the polemoniaceae family
Leptosiphon filipes (syn. Linanthus filipes) is a species of flowering plant in the phlox family known by the common name thread linanthus.
Leptosiphon croceus (Coast Yellow Leptosiphon) (Eastw.) J.M.Porter & L.A.Johnson 2000
plant species in the polemoniaceae family
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Leptosiphon bolanderi (Bolander's Linanthus) (A.Gray) J.M.Porter & L.A.Johnson 2000
annual plant species in the polemoniaceae family
Leptosiphon bolanderi (syn. Linanthus bolanderi) is a species of flowering plant in the phlox family known by the common name Bolander's linanthus.
Leptosiphon ambiguus (Serpentine Linanthus) (Rattan) J.M.Porter & L.A.Johnson 2000
annual plant species in the polemoniaceae family
Leptosiphon ambiguus (syn. Linanthus ambiguus), the serpentine linanthus, is a low annual plant with narrowly lanceolate leaves and a vivid lavender flower. It grows generally in serpentine soils and is an endemic threatened species of the Bay Area in California.
Lathrocasis L.A.Johnson 2000
plant genus in the polemoniaceae family
Lathrocasis is a monotypic genus of flowering plants belonging to the family Polemoniaceae. The only species is Lathrocasis tenerrima. Its native range is Western Canada to Western Central USA.
Navarretia ojaiensis (Ojai Navarretia) Elvin, J.M.Porter & L.A.Johnson 2007
plant species in the polemoniaceae family
Navarretia ojaiensis is a rare species of flowering plant in the phlox family known by the common name Ojai navarretia.
Microgilia minutiflora (Small-flower Standing-cypress) (Benth.) J.M.Porter & L.A.Johnson 2000
annual plant species in the polemoniaceae family
Microgilia minutiflora is a species of flowering plant in the family Polemoniaceae. It is the sole species in genus Microgilia. It is an annual native to Idaho, Montana, Oregon, Washington in the northwestern United States and to British Columbia in western Canada.
Microgilia J.M.Porter & L.A.Johnson 2000
plant genus in the polemoniaceae family
Microgilia minutiflora is a species of flowering plant in the family Polemoniaceae. It is the sole species in genus Microgilia. It is an annual native to Idaho, Montana, Oregon, Washington in the northwestern United States and to British Columbia in western Canada.
Linanthus campanulatus (Bellshape Gilia) (A.Gray) J.M.Porter & L.A.Johnson 2000
annual plant species in the polemoniaceae family
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