File:PSM V84 D429 Opuntia blakeana routed in carnegica gigantea.jpg
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Summary
| Description | A joint of Opuntia blakeana rooted prasitically in a cavity in the body of Carnegiea gigantea, under which condition it has existed for three years. | |||
| Source | D. T. MacDougal: The measurement of environic factors and their biologic effects. The Popular science monthly, Volume 84, p425. New York, Popular Science Pub. Co., May 1914. Online: archive.org. | |||
| Author | Uncredited; D. T. MacDougal | |||
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Licensing
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This work is in the public domain in the United States because it was published (or registered with the U.S. Copyright Office) before January 1, 1929.
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File history
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| Date/Time | Thumbnail | Dimensions | User | Comment | |
|---|---|---|---|---|---|
| current | 23:35, 14 March 2011 | | 1,590 × 933 (259 KB) | Martin H. |
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