File:Shockley rockcress, Boechera shockleyi (31556764097).jpg

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Shockley rockcress, Boechera shockleyi, California, White Mountains, Deep Springs Valley drainage, elevation 1969 m (6460 ft).

In a genus notorious for difficult to identify species, this rockcress is one of the most distinctive and easily recognized. The difficult species tend to have hybrid origins, combining the chromosomes of two or more species like this one, which only has a single set of chromosomes. These latter diploid species tend to have the most consistent and distinctive features, which in Shockley rockcress include dense fine hair covering all plant parts except the smooth hairless arching fruits, and the densely crowded lower leaves.

Shockley rockcress has a strong preference for carbonate soils and rock outcrops (dolomite at this location), and is found below about 2500 meters (8200 feet) elevation where such parent rock is most abundant in the southern and eastern Great Basin of eastern California, Nevada, and western Utah, southward in California and Nevada into the northern Mojave Desert, and isolated also in the San Bernardino Mountains of southern California.
Date
Source Shockley rockcress, Boechera shockleyi
Author Jim Morefield from Nevada, USA
Camera location37° 20′ 09.46″ N, 118° 06′ 35.93″ W Kartographer map based on OpenStreetMap.View this and other nearby images on: OpenStreetMapinfo

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This file is licensed under the Creative Commons Attribution-Share Alike 2.0 Generic license.
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This image was originally posted to Flickr by Jim Morefield at https://flickr.com/photos/127605180@N04/31556764097 (archive). It was reviewed on 29 December 2019 by FlickreviewR 2 and was confirmed to be licensed under the terms of the cc-by-sa-2.0.

29 December 2019

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Date/TimeThumbnailDimensionsUserComment
current03:09, 29 December 2019Thumbnail for version as of 03:09, 29 December 20193,648 × 2,736 (4.52 MB)Ser Amantio di Nicolao (talk | contribs)Transferred from Flickr via #flickr2commons

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