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・ Boeberia
・ Boeberoides
・ Boebi van Meegeren
・ Boebie Solomons
・ Boece (Chaucer)
・ Boechera
・ Boechera breweri
・ Boechera cobrensis
・ Boechera constancei
・ Boechera crandallii
・ Boechera dispar
・ Boechera falcatoria
・ Boechera fecunda
・ Boechera gunnisoniana
・ Boechera hoffmannii
Boechera holboellii
・ Boechera laevigata
・ Boechera ophira
・ Boechera oxylobula
・ Boechera perennans
・ Boechera perstellata
・ Boechera platysperma
・ Boechera pulchra
・ Boechera sparsiflora
・ Boechera stricta
・ Boechera tularensis
・ Boechera yorkii
・ Boechout
・ Boechout railway station
・ Boecillo


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Boechera holboellii : ウィキペディア英語版
Boechera holboellii

''Boechera holboellii'' or Holbøll's Rockcress is found in Greenland. Its cytology has been much studied by the Danish botanist Tyge W. Böcher. Circumscription of this species has varied, with earlier works treating it as a widespread, polymorphic species with several varieties,〔Rollins, R.C., 1993. ''The Cruciferae of Continental North America''. Stanford University Press, Palo Alto, California.〕 while more recently it has been treated as a much more narrowly defined species from Greenland.
The rust fungus ''Puccinia monoica'' infects the plant leading to pseudoflowers, which mimic those of yellow, early spring wildflowers (e.g. buttercups), not only in visible light but also in ultraviolet.〔Roy BA: Floral mimicry by a plant pathogen. In: Nature. 362, 1993, S. 56-58 (online )〕
The specific epithet commemorates Carl Peter Holbøll - a Danish civil servant and early explorer of the fauna of Greenland.
==Similar species==
The type of ''B. holboellii'' is diploid, from Greenland.〔 There is some evidence that it might also be present in eastern Canada.〔 It is not clear whether polyploids of ''B. holboellii'' (as narrowly defined) exist. The following diploid species have been distinguished:〔
* ''B. pendulocarpa'', in the mountains of western North America
* ''B. collinsii'', east of the Rocky Mountains
* ''B. polyantha'', from Idaho, Montana, Oregon, Washington
* ''B. retrofracta'', widespread from Ontario to Alaska, California, and Montana

抄文引用元・出典: フリー百科事典『 ウィキペディア(Wikipedia)
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