Theo Holm
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Most Influential Person Across History
Danish-American botanist
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Biology
Theo Holm's Degrees
- PhD Botany University of Copenhagen
Why Is Theo Holm Influential?
(Suggest an Edit or Addition)According to Wikipedia, Herman Theodor Holm 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.
Theo Holm's Published Works
Number of citations in a given year to any of this author's works
Total number of citations to an author for the works they published in a given year. This highlights publication of the most important work(s) by the author
Published Works
- On the Development of Buds upon Roots and Leaves (1925) (24)
- Pyrola aphylla: A Morphological Study (1898) (11)
- The application of the term "rhizome. " (10)
- Nyssa sylvatica Marsh (1909) (10)
- Studies in the Cyperaceae; VI, Dichromena leucocephala Vahl, and D. latifolia Baldw. (1897) (10)
- The root-structure of North American terrestrial Orchideae (1904) (9)
- Obolaria virginia L.: A Morphological and Anatomical Study (1897) (9)
- Bartonia, Muehl. an anatomical study (1906) (9)
- Studies in the Cyperaceae; X, Fimbristylis Vahl; an anatomical treatise of North American species (1899) (8)
- Studies in the Compositae (8)
- Hibernation and Rejuvenation, Exemplified by North American Herbs (1925) (8)
- Phryma leptostachya L., A Morphological Study (1913) (7)
- Studies upon the Cyperaceae; II, The clado- and antho-prophyllion in the genus Carex (1896) (7)
- Studies in the Cyperaceae (1902) (7)
- Studies in the Cyperaceae; VIII, On the anatomy of some North American species of Scleria (7)
- Studies in the Cyperaceae; XX (1903) (7)
- Rubiaceae: Anatomical Studies of North American Representatives of Cephalanthus, Oldenlandia, Houstonia, Mitchella, Diodia, and Galium (1907) (6)
- Chenopodium ambrosioides L.; a morphological study (1923) (6)
- Studies in the Cyperaceae; XIII, Carex willdenovii and its allies (1900) (5)
- Studies in the Cyperaceae; IX, The genus Lipocarpha R.Br. (1899) (5)
- Podophyllum peltatum: A Morphological Study (1899) (5)
- Morphology of North American Species of Polygala (1929) (5)
- Studies in the Cyperaceae; III, Carex fraseri Andrews, a morphological and anatomical study (1897) (5)
- A Morphological Study of Cicer arietinum (1920) (4)
- Studies in Aquatic Plants (1909) (4)
- Notes upon Uvularia, Oakesia, Diclytra and Drigia (1891) (4)
- Polypremum procumbens L.; a morphological study (1924) (3)
- Studies in the Cyperaceae; XI, On the abnormal development of some specimens of Carex stipata Muhl., caused by Livia vernalis Fitch (1899) (3)
- Pogonia ophioglossoides; a morphological and anatomical study (3)
- Sisyrinchium: Anatomical Studies of North American Species (1908) (3)
- Morphological Study of Carya alba and Juglans nigra (1921) (3)
- A Study of Some Anatomical Characters of North American Gramineæ. VII (1896) (3)
- Hibernation and Rejuvenation, Exemplified by North American Herbs (Continued from the May Issue) (1925) (2)
- The Function of the Secondary Tissues in Arborescent Monocotyledons (1894) (2)
- Fifth list of additions to the flora of Washington, D.C (2)
- Studies upon the Cyperaceae; I, On the monopodial ramification in certain North American species of Carex (1896) (2)
- Studies in the Cyperaceae; V, Fuirena squarrosa Michx. and F. scirpoidea Vahl. (1897) (2)
- Saururus cernuus L., a morphological study (1926) (2)
- Studies in the Cyperaceae; Carices aeorastachyae, Crinite nob., Apertae nob., and Magnificae nob. (1921) (2)
- Vitality of Ferns (1892) (2)
- Studies in the Cyperaceae; XXIX, Carices aeorastachyae; Salinae Fries (1920) (1)
- Studies in the Cyperaceae; IV, Dulichium spathaceum Pers., a morphological and anatomical study (1897) (1)
- Studies in the Cyperaceae; XII, Segregats of Carex filifolia Nutt. (1900) (1)
- The Vegetation of the Paramos of Venezuela (1892) (1)
- Gratiola L. and Sophronanthe Benth (1924) (1)
- Chionophila Benth., a morphological study (1)
- Studies in the Gramineae. IX. The Gramineae of the Alpine Region of the Rocky Mountains in Colorado (1908) (1)
- The Psammophilous Flora of Denmark (1892) (1)
- Anatomy of certain species of Ilex of sections Aquifolium and Prinos (1929) (1)
- Studies in the Cyperaceae, No. XXIII (1904) (1)
- Gerardia L. and Buchnera L. with supplementary note on Gratiola; an anatomical study (1929) (1)
- The flower of Chimaphila (1)
- Triadenum virginicum (L.) Rafin; a morphological and anatomical study (1903) (1)
- Studies in the Cyperaceae; XXXIV, Carices aeorastachyae, glaucesentes nob., and limosa nob. (1922) (1)
- Arctic and Alpine Plants (1895) (1)
- Studies in the Cyperaceae; VII, On the inflorescence of the genus Scleria (1)
- Ruellia and Dianthera: An Anatomical Study (1907) (1)
- On the Prevailing Ombrophilous Character of the Foliage of Tropical Plants (1896) (1)
- Types of Claytonia Gronov (1)
- Mark Alfred Carleton (1910) (1)
- Proceedings of Scientific Societies (1896) (0)
- The Check-List and the New Illustrated Flora of North America (1896) (0)
- Leptandra and Veronica; a morphological study (1925) (0)
- Juncus repens Michx.-A Morphological and Anatomical Study (1899) (0)
- Anatomy of the Stolons of Gramineæ (1892) (0)
- Chelone glabra L.; a morphological study (1923) (0)
- Epharmonic characters of Larrea mexicana Moric (1931) (0)
- Studies Upon the Xyrideae (1893) (0)
- Burnt Spots on Leaves (1892) (0)
- Cynodon or Capriola? (1898) (0)
- Recent Anatomical Papers (1907) (0)
- Studies in Cyperaceae; XIV; On a collection of carices from Alaska with remarks upon the affinities of Carex circinata and C. lejocarpa (1900) (0)
- Adaptation of African Plants to Climate (1894) (0)
- Schizostely in Gramineae (1908) (0)
- Anemonella thalictroides (L.) Spach; an anatomical study (1907) (0)
- Studies Upon Germination (1892) (0)
- Seasonal Dimorphism in Arisaema Triphyllum (1922) (0)
- Studies in the Cyperaceae; XXVIII, Notes on Carex franklinii Boott, and C. spectabilis Dew (1920) (0)
- Merritt Lyndon Fernald correspondence (0)
- Mangifera indica Wall. (0)
- Anatomy of the Genus Carex (1895) (0)
- Walter Deane correspondence. (0)
- Studies Upon Galls (1895) (0)
- Notes on the flowers of Anthoxanthum odoratum L (0)
- Ilysanthes, Scrophularia and Linaria; a morphological study (1924) (0)
- Root-Tubercles on Ailanthus (1895) (0)
- Recent Botanical Publications from the United States National Museum (1921) (0)
- On the vitality of some annual plants (1891) (0)
- James M. Macoun (1920) (0)
- Anatomy of Carices (1892) (0)
- Driftwood from the Arctic Sea (1907) (0)
- Studies in the Cyperaceae; XXX, Carices aeorastachyae; Cryptocarpae nob. (1920) (0)
- Remarks Upon Paleohillia, a Problematic Fossil Plant (1896) (0)
- Anatomy of Araliaceae (1908) (0)
- Hypoxis erecta Linn. A Bibliographical Study (1897) (0)
- Catalogue of Plants Collected by Messrs. Schuchert, Stein and White on the East Coast of Baffin's Land and West Coast of Greenland (1900) (0)
- Ceanothus americanus L. and ovatus Desf.; a morphological and anatomical study (1906) (0)
- The Role of the Pericycle in the Root of Dracæna marginata (1894) (0)
- Notes on Hydrocotyle americana L (0)
- Studies in the Cyperaceae; XXXIII, Carices aeorastachyae, macrochaetae nob. and neosphilae nob. (1922) (0)
- Anatomy of Veronica and Gratiola (1908) (0)
- Anatomy of Lobeliaceae (1908) (0)
- Method of hibernation and vegetative reproduction in North American species of Stellaria (1908) (0)
- Biologic Types (1908) (0)
- Medullary cork in Balsamocitrus; an anatomical study (1929) (0)
- Root Tubers of Dioscorea (1907) (0)
- Studies in the Cyperaceae; XXVI, Remarks on the structure and affinities of some of Dewey's Carices (1908) (0)
- Anatomy of the Leaves of Ranunculaceae (1908) (0)
- Studies in the Cyperaceae; XXVII, Notes on Carex podocarpa R. Br., C. montanensis Bail., C. venustula Holm, C. lemmoni W. Boott, and C. aequa Clarke (1919) (0)
- On the Validity of Some Fossil Species of Liriodendron (1895) (0)
- Isopyrum biternatum Torr. et Gr. (1908) (0)
- Boehmeria cylindrica (L.) SW; a morphological study (1927) (0)
- Secretory Organs of Menispermaceae (1907) (0)
- The Seedlings of Jatropha multifida L. and Persea gratissima Gärtn (1899) (0)
- Third Ust of additions to the flora of Washington, D.C (0)
- Flora Boreali-Americana (1907) (0)
- The bulbiferous form of Luzula multifiora (0)
- Studies in the Gramineae. VIII. Munroa Squarrosa (Nutt.) Torr (1905) (0)
- Mucilage Ducts in Pipereae (1909) (0)
- Morphological and Anatomical Studies of the Vegetative Organs of Rhexia (1907) (0)
- Anatomy of the Tubers of Equisetum (1893) (0)
- Studies in the Cyperaceae; XXXII, Carices aeorastachyae; Phacotae nob., and Ternariae nob. (1921) (0)
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