File:EB1911 Palaeobotany - Sphenophyllum Dawsoni.jpg
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| Description |
English: Drawing of Sphenophyllum Dawsoni: diagram of cone in longitudinal section: ax, axis; br, bracts; sp, sporangiophores, each bearing a sporangium, sm; br, whorl of bracts in surface view. |
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| Date | published 1911 | |||
| Source | “Palaeobotany,” Encyclopædia Britannica (11th ed.), v. 20, 1911, p. 528, fig. 6. | |||
| Author | Unknown author | |||
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| Date/Time | Thumbnail | Dimensions | User | Comment | |
|---|---|---|---|---|---|
| current | 16:43, 5 September 2017 | | 371 × 608 (77 KB) | Bob Burkhardt (talk | contribs) | {{Information |Description ={{en|1=Drawing of ''Sphenophyllum Dawsoni'': diagram of cone in longitudinal section: ''ax'', axis; ''br'', bracts; ''sp'', sporangiophores, each bearing a sporangium, ''sm''; ''br'', whorl of bracts in surface view.}}... |
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