Theo Holm

Danish-american botanist (1854–1932).

Herman Theodor Holm (February 3, 1854 – December 26, 1932) was a Danish-American systematic botanist, agriculturalist and plant pathologist. His works dealt principally with plants from the Arctic and from the Rocky Mountains, mainly taxonomy and morphology. He published over 150 papers reflecting his research which included his series Studies on the Cyperaceae and Medicinal Plants of North America.

Abbreviations: Holm
Occupations: scientific illustrator, scientific collector, botanist, botanical collector
Citizenships: United States
Dates: 1854-01-01T00:00:00Z – 1932-01-01T00:00:00Z
Birth place: Copenhagen
Direct attributions: 11 plants, 0 fungi
Authorship mentions: 23 plants, 0 fungi

11 plants attributed, 12 plants contributed to23 plants:

Carex chalciolepis (Copper-scale Sedge) Holm 1903
perennial plant species in the cyperaceae family
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Carex scopulorum (Mountain Sedge) Holm 1902
perennial plant species in the cyperaceae family
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Carex oreocharis (Grassyslope Sedge) Holm 1900
perennial plant species in the cyperaceae family
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Carex elynoides (Blackroot Sedge) Holm 1900
perennial plant species in the cyperaceae family
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Carex microchaeta (Smallawned Sedge) Holm 1904
perennial plant species in the cyperaceae family
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Carex peucophila Holm 1905
perennial plant species in the cyperaceae family
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Carex × cryptochlaena Holm 1905
perennial plant hybrid species in the cyperaceae family
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Carex scirpoidea var. stenochlaena Holm 1904
perennial plant variety in the cyperaceae family
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Carex macrocephala var. bracteata Holm 1900
perennial plant variety in the cyperaceae family
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Carex leucocephalae Holm
plant section in the cyperaceae family
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Carex dives Holm 1904
plant species in the cyperaceae family
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Carex stevenii (Steven's Sedge) (Holm) Kalela 1944
perennial plant species in the cyperaceae family
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Gentianopsis macounii (Macoun's Gentian) (Holm) Iltis 1965
annual plant species in the gentianaceae family
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Gentianopsis nesophila (Island Gentian) (Holm) Iltis 1965
annual plant species in the gentianaceae family
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Gentianopsis virgata ssp. macounii (Macoun's Gentian) (Holm) J.S.Pringle 2004
annual plant subspecies in the gentianaceae family
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Gentianopsis detonsa ssp. nesophila (Island Gentian) (Holm) J.S.Pringle 2004
annual plant subspecies in the gentianaceae family
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Carex warmingii Holm ex Lange 1887
plant species in the cyperaceae family
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Carex scopulorum var. prionophylla (Firethread Sedge) (Holm) L.A.Standl. 1985
perennial plant variety in the cyperaceae family
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Carex microchaeta ssp. nesophila (Bering Sea Sedge) (Holm) D.F.Murray 1970
perennial plant subspecies in the cyperaceae family
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Carex kelloggii var. limnophila (Lakeshore Sedge) (Holm) B.L.Wilson & R.E.Brainerd 2013
perennial plant variety in the cyperaceae family
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Carex heleonastes ssp. neurochlaena (Hudson Bay Sedge) (Holm) Böcher 1952
perennial plant subspecies in the cyperaceae family
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Carex bigelowii ssp. lugens (Spruce Muskeg Sedge) (Holm) T.V.Egorova 1973
perennial plant subspecies in the cyperaceae family
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Carex aquatilis var. dives (Sitka Sedge) (Holm) Kük. 1909
perennial plant variety in the cyperaceae family
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