Herbert Louis Mason

American botanist (1896–1994).

Herbert Louis (né Lewis) Mason (1896–1994) was an American botany professor, plant collector, and herbarium director. After graduating from high school, Herbert Mason and his identical twin brother, Walter, matriculated (passed entrance requirements) at Stanford University. Their education was interrupted when they both volunteered for military service in WWI and served in a U.S. Army hospital in Beaune, France. After the end of the war, Herbert Mason returned to Stanford University and received his bachelor's degree there in 1921. He became a graduate student at the University of California,

Abbreviations: H.Mason
Occupations: scientific collector, botanist, botanical collector
Citizenships: United States
Dates: 1896-01-03T00:00:00Z – 1994-03-26T00:00:00Z
Birth place: Fond du Lac
Direct attributions: 36 plants, 0 fungi
Authorship mentions: 49 plants, 0 fungi

36 plants attributed, 13 plants contributed to49 plants:

Gratiola heterosepala (Boggs Lake Hedge-hyssop) H.Mason & Bacigal. 1954
annual plant species in the plantaginaceae family
Gratiola heterosepala is a species of flowering plant known by the common name Boggs Lake hedgehyssop. It is native to northern California, where it grows in mud and very shallow water, such as the edges of vernal pools. One occurrence of the plant has been noted in Oregon.
Lupinus peirsonii (Peirson's Lupine) H.Mason 1928
perennial plant species in the fabaceae family
Lupinus peirsonii is a rare species of lupine known by the common names Peirson's lupine and long lupine. It is endemic to the San Gabriel Mountains of Los Angeles County, California, where it grows in woodland and forest habitat. It is an erect, branching perennial herb growing 30 to 60 centimetres (12 to 24 in) tall. Each palmate leaf is made up of five to eight fleshy leaflets up to seven centimetres (2.8 in) long. The herbage is coated in silvery silky hairs. The inflorescence is a raceme of whorled yellow flowers each about a centimeter in length. The fruit is a silky-haired legume pod
Gilia clokeyi (Clokey's Gilia) H.Mason 1942
annual plant species in the polemoniaceae family
Gilia clokeyi is a species of flowering plant in the phlox family known by the common name Clokey's gilia. It is native to the south-western United States from California to Colorado, where it grows in desert and other habitat. The herb produces an erect stem up to 17 centimeters tall often coated in cobwebby fibers on the lower parts and glandular hairs above. The lobed leaves are up to 3 centimeters long and are located in a basal rosette at ground level and also on the lower part of the stem. The top of the stem branches into an inflorescence bearing tiny flowers on thin pedicels. The
Eriastrum wilcoxii (Wilcox's Woollystar) (A.Nelson) H.Mason 1945
annual plant species in the polemoniaceae family
Eriastrum wilcoxii is a species of flowering plant in the phlox family known by the common name Wilcox's woollystar. It is native to the western United States, where it grows in various types of desert and plateau habitat. It is an annual herb producing a thin, branching, usually woolly stem up to about 30 centimeters tall. The leaves are narrow and thready, up to 3 centimeters long, and sometimes divided into two or more lobes. The inflorescence is a woolly cluster of narrow, leaflike bracts laced with webby fibers. The small flowers have yellow throats and blue corollas with lobes up to
Eriastrum sparsiflorum (Great Basin Woollystar) (Eastw.) H.Mason 1945
annual plant species in the polemoniaceae family
Eriastrum sparsiflorum is an annual plant in the phlox family (Polemoniaceae) native to the Great Basin of the Western United States.
Eriastrum sapphirinum (Sapphire Woollystar) (Eastw.) H.Mason 1945
annual plant species in the polemoniaceae family
Eriastrum sapphirinum is a species of flowering plant in the phlox family known by the common name sapphire woollystar. This wildflower is endemic to California where it is found in many habitats throughout the state. It is an annual reaching anywhere from 5 to 40 centimeters in height, forming clumps or singular spindly stems. The stem is erect and may be reddish to green, and has the occasional threadlike leaf with a texture ranging from sparse hairs to a coat of dense wool. The inflorescences at the tips of the stems are packed with pointed, leaflike green to red bracts and funnel-shaped
Eriastrum pluriflorum (Tehachapi Woollystar) (A.Heller) H.Mason 1945
annual plant species in the polemoniaceae family
Eriastrum pluriflorum is a species of flowering plant in the phlox family known by the common names Tehachapi woollystar and many-flowered eriastrum.
Eriastrum hooveri (Hoover's Woollystar) (Jeps.) H.Mason 1945
annual plant species in the polemoniaceae family
Eriastrum hooveri is a rare species of flowering plant in the phlox family known by the common name Hoover's woollystar. It is endemic to the South Coast Ranges of California from San Benito to Los Angeles Counties, where it grows in grassy open habitat. It is an annual herb producing a wiry, usually woolly stem up to about 15 centimeters tall. The leaves are linear and threadlike, less than three centimeters long, and sometimes divided into two thready lobes. The inflorescence is a woolly cluster of narrow, leaflike bracts laced with webby fibers. The flowers are white and just a few
Eriastrum eremicum (Desert Woollystar) (Jeps.) H.Mason 1945
annual plant species in the polemoniaceae family
Eriastrum eremicum, the desert woollystar, is an annual plant in the phlox family (Polemoniaceae) found in the Sonoran Desert. It often grows in great abundance covering the desert floor in a blanket of sky blue color.
Eriastrum diffusum (Miniature Woollystar) (A.Gray) H.Mason 1945
annual plant species in the polemoniaceae family
Eriastrum diffusum is a species of flowering plant in the phlox family known by the common name miniature woollystar. It is native to the southwestern United States from California to Texas, where it grows in many types of open habitat. This is an annual herb producing a thin, usually woolly stem up to about 20 centimeters long, growing erect or spreading outward. The leaves are divided into 2 to 4 narrow, threadlike linear lobes. The inflorescence is a woolly cluster of narrow, leaflike bracts laced with webby fibers. The small flowers are funnel-shaped, with yellowish throats and white to
Eriastrum densifolium (Giant Woollystar) (Benth.) H.Mason 1945
plant species in the polemoniaceae family
Eriastrum densifolium is a species of flowering plant in the phlox family known by the common name giant woollystar. This wildflower is native to California and Baja California where it grows in open areas such as sand dunes and dry washes. It grows on an erect stem with slightly hairy to densely woolly foliage, often giving the plant a dark gray-green color. The leaves are narrow and spike-shaped with pointed lobes. The top of each stem is occupied by a bunched inflorescence full of woolly leaflike bracts and funnel-shaped, flat-faced flowers. The flowers are each 1 to 3 centimeters long
Eriastrum brandegeeae (Brandegee's Eriastrum) H.Mason 1945
annual plant species in the polemoniaceae family
Eriastrum brandegeeae is a species of flowering plant in the phlox family known by the common name Brandegee's woollystar. It is endemic to California, where it is known from the chaparral and woodlands of the North Coast Ranges, generally on volcanic soils. There have been specimens collected from the San Francisco Bay Area which are closer to this species than other Eriastrum, but may actually be a new species. This is an annual herb producing a thin, usually woolly stem up to about 30 centimeters tall. The leaves are divided into several narrow, threadlike linear lobes. The inflorescence
Eriastrum abramsii (Abrams' Woollystar) (Elmer) H.Mason 1945
annual plant species in the polemoniaceae family
Eriastrum abramsii is a species of flowering plant in the phlox family known by the common name Abrams' woollystar. The epithet abramsii commemorates LeRoy Abrams. It is endemic to California, where it is known from the hills of the Coast Ranges in and around the San Francisco Bay Area. It is an annual herb producing a thin, usually woolly stem up to about 15 centimeters tall. The leaves are divided into several narrow, threadlike linear lobes. The inflorescence is a woolly cluster of narrow, leaflike bracts laced with webby fibers. The small flowers have yellow throats and white or blue
Polemonium chartaceum (White Mountains Sky Pilot) H.Mason 1925
plant species in the polemoniaceae family
Polemonium chartaceum is a rare species of flowering plant in the phlox family known by the common names Mason's Jacob's-ladder and Mason's sky pilot. It is native to California, where it has a disjunct distribution. It occurs in the Klamath Mountains as well as the ranges east of the Sierra Nevada, including the White Mountains, where its distribution extends just into Nevada. It is a plant of high elevations, growing in exposed, rocky mountain slope habitat such as talus and alpine fellfields. This is a perennial herb producing a small clump of a few erect stems reaching 20 centimeters in
Navarretia heterandra (Tehama Pincushionplant) H.Mason 1946
annual plant species in the polemoniaceae family
Navarretia heterandra is an uncommon species of flowering plant in the phlox family known by the common name Tehama pincushionplant, or Tehama navarretia.
Eriastrum virgatum (Virgate Eriastrum) (Benth.) H.Mason 1945
annual plant species in the polemoniaceae family
Eriastrum virgatum is a species of flowering plant in the phlox family known by the common name wand woollystar. It is endemic to California, where it is known the coastline and coastal mountain ranges of Monterey and San Benito Counties. It grows in chaparral and coastal and inland scrub habitat. It is an annual herb producing a thin, usually woolly stem up to about 40 centimeters tall. The leaves are narrow and thick, up to 5 centimeters long, and sometimes divided into two narrow lobes. The inflorescence is a woolly cluster of narrow, leaflike bracts laced with webby fibers. The flowers
Eriastrum luteum (Yellow Woollystar) (Benth.) H.Mason 1945
annual plant species in the polemoniaceae family
Eriastrum luteum is a species of flowering plant in the phlox family known by the common names yellow woollystar and yellow-flowered eriastrum. This wildflower is endemic to California where it is known only from Monterey and San Luis Obispo Counties. This is a small annual rarely reaching the maximum 25 centimeters in height. It has occasional thin, threadlike leaves which are covered in a coat of woolly hairs. The inflorescence is a cluster of leaflike green or reddish bracts strung densely with cobwebby white wool and bearing bright yellow flowers. Each flower has five rounded lobes and
Linanthus killipii (Baldwin Lake Linanthus) H.Mason 1948
annual plant species in the polemoniaceae family
Linanthus killipii, known by the common name Baldwin Lake linanthus, is a rare species of flowering plant in the phlox family.
Elatine heterandra (Mosquito Waterwort) H.Mason 1956
annual plant species in the elatinaceae family
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Navarretia eriocephala (Hoary Navarretia) H.Mason 1946
annual plant species in the polemoniaceae family
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Eriogonum × blissianum H.Mason 1938
plant hybrid species in the polygonaceae family
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Gilia tricolor ssp. diffusa (Brand) H.Mason & A.D.Grant 1948
annual plant subspecies in the polemoniaceae family
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Eriastrum tracyi (Tracy's Eriastrum) H.Mason 1945
annual plant species in the polemoniaceae family
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Navarretia viscidula ssp. purpurea (Greene ex Brand) H.Mason 1951
annual plant subspecies in the polemoniaceae family
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Navarretia prolifera ssp. lutea (Yellow Bur Navarretia) (Brand) H.Mason 1951
plant subspecies in the polemoniaceae family
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Navarretia hamata ssp. leptantha (Slender-flowered Hooked Navarretia) (Greene) H.Mason 1951
annual plant subspecies in the polemoniaceae family
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Linanthus dichotomus ssp. meridianus (Eastw.) H.Mason 1951
plant subspecies in the polemoniaceae family
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Eriastrum sapphirinum ssp. dasyanthum (Brand) H.Mason 1945
annual plant subspecies in the polemoniaceae family
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Eriastrum sapphirinum ssp. ambiguum (M.E.Jones) H.Mason 1945
plant subspecies in the polemoniaceae family
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Eriastrum pluriflorum ssp. shermanhoytiae (Eriastrum Pluriflorum Sherman-hoytae) (T.T.Craig) H.Mason 1945
annual plant subspecies in the polemoniaceae family
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