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| View Original: | Macivera.svg (250x525) | |||
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| Courtesy of: | commons.wikimedia.org | More Like This | ||
| Keywords: Macivera.svg en Reconstruction showing the form of the sporangial cluster of the extinct plant Macivera gracilis Based on the information in Kotyk M E ; Basinger J F ; Gensel P G de Freitas T A 2002 Morphologically complex plant macrofossils from the Late Silurian of Arctic Canada Am J Bot 89 6 1004 “1013 doi 10 3732/ajb 89 6 1004 own Peter coxhead 2011-04-13 Cc-zero Illustrations of plant fossils | ||||
