The Recently Extinct Plants and Animals Database


Arabis suffrutescens horizontalis (Greene) Rollins

Creeping woody rock cress,  Horizontal woody rockcress

 

 

Taxonomy & Nomenclature

Synonym/s: Boechera horizontalis (Greene) Windham & Al-Shehbaz

 

Conservation Status

Last record: Oregon (1950) & California (1951)

Rediscovered in 1984

 

Distribution

Oregon, USA

 

Biology & Ecology

 

 

Hypodigm

 

 

Media

 

 

References

Flora of North America Editorial Committee. 2010. Flora of North America North of Mexico. Vol. 7. Magnoliophyta: Salicaceae to Brassicaceae. Oxford University Press, New York. xxii + 797 pp.

Hickman, J. C., ed. 1993. The Jepson manual: Higher plants of California. University of California Press, Berkeley, CA. 1400 pp.

Kagan, Jimmy and Vrilakas, Susan. (1993). Extinct and Extirpated Plants from Oregon. Kalmiopsis [1993]: 12-16.

Kartesz, J.T. 1994. A synonymized checklist of the vascular flora of the United States, Canada, and Greenland. 2nd edition. 2 vols. Timber Press, Portland, OR.

Meinke, R.J. 1982. Threatened and Endangered Vascular Plants of Oregon: An Illustrated Guide. U.S. Fish and Wildlife Service, Region 1, Portland, Oregon. 326 pp.

Rollins, R.C. 1993. The Cruciferae of continental North America: Systematics of the mustard family from the Arctic to Panama. Stanford Univ. Press, Stanford, California. 976 pp.

Siddall, J. L., Chambers, K. I. and Wagner, D. H. (1979). Rare, threatened and endangered vascular plants in Oregon — an interim report. Oregon Natural Area Preserves Advisory Committee, Division of State Lands. 109 pp.

Windham, M.D., and I. A.Al-Shehbaz. 2007. New and noteworthy species of Boechera (Brassicaceae) II: Apomictic hybrids. Harvard Papers in Botany 11: 257-274.

https://vanishingflora.proboards.com/thread/3968/arabis-suffrutescens-horizontalis

 

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