Elke Mackenzie

British polar explorer and botanist (1911–1990).

Elke Mackenzie (11 September 1911 – 18 January 1990), born Ivan Mackenzie Lamb, was a British polar explorer and botanist who specialised in the field of lichenology. Beginning her education in Edinburgh, Scotland, Mackenzie later pursued botany at Edinburgh University, earning a Bachelor of Science degree in 1933 and a Doctor of Science in 1942. In the two years she was involved in Operation Tabarin, a covert World War II mission to Antarctica, she identified and documented many lichen species, several of them previously unknown to science. Over the course of her career in academia, Mackenzie

Abbreviations: I.M.Lamb
Occupations: scientific collector, lichenologist, botanist, botanical collector
Citizenships: United States, United Kingdom of Great Britain and Ireland, United Kingdom
Languages: German, English
Dates: 1911-09-11T00:00:00Z – 1990-01-18T00:00:00Z
Birth place: London
Direct attributions: 0 plants, 98 fungi
Authorship mentions: 0 plants, 117 fungi

98 fungi attributed, 19 fungi contributed to117 fungi:

Stereocaulon symphycheilum (Two-toned Foam Lichen) I.M. Lamb 1961
fungi species in the stereocaulaceae family
Stereocaulon symphycheilum is a species of snow lichen belonging to the family Stereocaulaceae.
Parmeliella granulata I.M. Lamb 1955
fungi species in the pannariaceae family
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Caloplaca atrosanguinea (Orange Lichen) (G. Merr.) I.M. Lamb 1954
fungi species in the teloschistaceae family
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Calathaspis I.M. Lamb & W.A. Weber 1972
fungi genus in the cladoniaceae family
Calathaspis is a fungal genus in the family Cladoniaceae. A monotypic genus, Calathaspis contains the single species Calathaspis devexa, which is found in Papua New Guinea in middle- and high-elevation forests at altitudes ranging from 2,000–4,000 metres (6,600–13,100 ft).
Umbilicaria antarctica Frey & I.M. Lamb 1939
fungi species in the umbilicariaceae family
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Himantormia I.M. Lamb 1964
fungi genus in the parmeliaceae family
Himantormia is a genus of lichen-forming fungi in the family Parmeliaceae. It consists of two species found in the southernmost parts of South America and Antarctica. Both species are characterised by a paraplectenchymatous cortex composed of large, dark pigmented cells, a pachydermatous medulla, and the absence of lichenin in their cell walls. While morphologically similar in some aspects, the species can be distinguished by their lobe shapes, cortex cell sizes, medulla structure, and distinct secondary metabolite compositions, with H. deusta producing fumarprotocetraric acid as its major
Compsocladium I.M. Lamb 1956
fungi genus in the ramalinaceae family
Compsocladium is a genus of lichen-forming fungi in the family Ramalinaceae. It has two species.
Stereocaulon groenlandicum (Greenland Snow Lichen) (E. Dahl) I.M. Lamb 1973
fungi species in the stereocaulaceae family
Stereocaulon groenlandicum is a species of snow lichen belonging to the family Stereocaulaceae. The lichen is characterized by its rigid, woody stem-like structures (pseudopodetia) that are firmly attached to the substrate, with small whitish leaf-like structures along their sides. It grows on rocks or soil in Arctic and boreal regions, with a circumpolar distribution pattern that includes Greenland, Alaska, and Spitsbergen. The species contains an unusual chemical composition for its genus, typically featuring atranorin, miriquidic acid, perlatolic acid, and anziaic acid. S. groenlandicum
Stereocaulon depressum (Frey) I.M. Lamb 1969
fungi species in the stereocaulaceae family
Stereocaulon depressum is a species of snow lichen belonging to the family Stereocaulaceae.
Stereocaulon coniophyllum (Powder Foam Lichen) I.M. Lamb 1961
fungi species in the stereocaulaceae family
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Stereocaulon arenarium (Sandy Foam Lichen) (Savicz) I.M. Lamb 1972
fungi species in the stereocaulaceae family
Stereocaulon arenarium is a species of snow lichen belonging to the family Stereocaulaceae.
Placopsis parellina (Nyl.) I.M. Lamb 1940
fungi species in the trapeliaceae family
Placopsis parellina is a species of lichen-forming fungus in the family Trapeliaceae. It grows on soil and rocks, forming small, spreading patches made up of tightly packed scale-like lobes, and bears dark cyanobacteria-containing structures scattered across its surface. The fruiting bodies have a conspicuously swollen rim and a pale to dark reddish-brown disc. The species has a Southern Hemisphere distribution, occurring from Ecuador southward through the Andes to southern Chile, with additional populations in the Australia–New Zealand region and an isolated record from Java.
Verrucaria serpuloides I.M. Lamb 1948
fungi species in the verrucariaceae family
Verrucaria serpuloides is a species of saxicolous (rock-dwelling), crustose lichen belonging to the family Verrucariaceae. It is native to the Antarctic Peninsula. It is one of only two permanently submerged species of lichen, the other being Hydrothyria venosa, and the only one found permanently submerged in a marine environment. Collections of the species were first made in 1944 by Elke Mackenzie. The species has been discovered living up to 10 m (33 ft) below mean high tide. It creates jet-black patches on the base of submerged rocks. It uses green algae as a symbiont.
Verrucaria durietzii I.M. Lamb 1948
fungi species in the verrucariaceae family
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Stereocaulon vesuvianum var. nodulosum (Wallr.) I.M. Lamb 1969
fungi variety in the stereocaulaceae family
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Stereocaulon trachyphloeum I.M. Lamb 1976
fungi species in the stereocaulaceae family
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Stereocaulon sasakii var. tomentosoides I.M. Lamb 1977
fungi variety in the stereocaulaceae family
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Stereocaulon loricatum I.M. Lamb 1976
fungi species in the stereocaulaceae family
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Rinodina endophragmia (Rinodina Lichen) I.M. Lamb 1968
fungi species in the physciaceae family
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Rhizocarpon adarense (Darb.) I.M. Lamb 1948
fungi species in the rhizocarpaceae family
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Pseudocyphellaria exanthematica I.M. Lamb 1955
fungi species in the lobariaceae family
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Placopsis stenophylla (Hue) I.M. Lamb 1947
fungi species in the trapeliaceae family
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Placopsis lateritioides I.M. Lamb 1947
fungi species in the trapeliaceae family
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Placopsis dusenii I.M. Lamb 1947
fungi species in the trapeliaceae family
Placopsis dusenii is a species of lichen-forming fungus in the family Trapeliaceae. It was formally described as a new species in 1947 by Elke Mackenzie. The species epithet honours the Swedish botanist Per Karl Hjalmar Dusén, who collected the type specimen in 1896 from Desolación Island. It is a crust-forming lichen with a thick, chalky, firmly attached thallus that is distinctly areolate and lacks a marginal prothallus. The areoles are angular to irregular and fairly coarse (about 0.5–4.5 mm across), separated by deep, open cracks (roughly 0.2–1.0 mm wide) so that, under a hand lens, the
Placopsis brevilobata (Zahlbr.) I.M. Lamb 1947
fungi species in the trapeliaceae family
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Placopsis brachyloba (Müll. Arg.) I.M. Lamb 1947
fungi species in the trapeliaceae family
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Placopsis asahinae I.M. Lamb 1947
fungi species in the trapeliaceae family
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Pertusaria neoscotica (Pore Lichen) I.M. Lamb 1954
fungi species in the pertusariaceae family
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Parmeliella concinna I.M. Lamb 1955
fungi species in the pannariaceae family
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Micarea prasinella (Jatta) I.M. Lamb 1954
fungi species in the pilocarpaceae family
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