Robert Stewart Irving

Botanist.

Abbreviations: R.S.Irving
Occupations: botanist
Dates: 1942-01-01T00:00:00Z
Direct attributions: 13 plants, 0 fungi
Authorship mentions: 13 plants, 0 fungi
Links:IPNI

13 plants attributed to13 plants:

Hedeoma todsenii (Todsen's Pennyroyal) R.S.Irving 1979
plant species in the lamiaceae family
Hedeoma todsenii is a rare species of flowering plant in the family Lamiaceae known by the common name Todsen's pennyroyal, or Todsen's false pennyroyal. It is endemic to New Mexico in the United States, where it occurs in the San Andres and Sacramento Mountains. It is federally listed as an endangered species of the United States. This plant was discovered on the White Sands Missile Range in 1978 by Thomas K. Todsen (1918-2010) and described to science and named for him the following year. It is a rhizomatous perennial herb growing up to 20 centimeters tall with fragrant lance-shaped leaves.
Hedeoma pilosa (Old Blue False Pennyroyal) R.S.Irving 1971
plant species in the lamiaceae family
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Hedeoma ciliolata (Epling & W.S.Stewart) R.S.Irving 1971
plant species in the lamiaceae family
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Hedeoma bella (Epling) R.S.Irving 1970
plant species in the lamiaceae family
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Hedeoma pusilla (R.S.Irving) R.S.Irving 1971
plant species in the lamiaceae family
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Hedeoma microphylla R.S.Irving 1971
plant species in the lamiaceae family
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Hedeoma johnstonii R.S.Irving 1977
plant species in the lamiaceae family
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Hedeoma crenata R.S.Irving 1971
plant species in the lamiaceae family
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Poliomintha longiflora var. congesta R.S.Irving 1972
plant variety in the lamiaceae family
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Hedeoma reverchonii var. serpyllifolia (Small) R.S.Irving 1971
plant variety in the lamiaceae family
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Hedeoma oblongifolia var. mexicana R.S.Irving 1971
plant variety in the lamiaceae family
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Hedeoma drummondii var. crenulata R.S.Irving 1971
plant variety in the lamiaceae family
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Hedeoma costata var. pulchella (Greene) R.S.Irving 1971
plant variety in the lamiaceae family
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