Evolution and Systematics

Evolution

Fossils assignable to the order Asterales are known from the Oligocene, circa 29 million years ago (mya). Wikström et al. suggest an age of 96 to 93 mya for the crown group, where Bremer et al has advanced the estimate of 90 to 82 mya for the crown group; Janssens et al. date stem group Asterales to 104±12.1 mya and the crown group to 94±11.2 mya.

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Molecular Biology and Genetics

Molecular Biology

Statistics of barcoding coverage

Barcode of Life Data Systems (BOLD) Stats
                                        
Specimen Records:10,439Public Records:8,074
Specimens with Sequences:8,992Public Species:2,946
Specimens with Barcodes:8,402Public BINs:0
Species:3,820         
Species With Barcodes:3,242         
          
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Statistics of barcoding coverage

Barcode of Life Data Systems (BOLD) Stats
                                        
Specimen Records:2Public Records:2
Specimens with Sequences:2Public Species:1
Specimens with Barcodes:2Public BINs:0
Species:1         
Species With Barcodes:1         
          
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Barcode data

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Statistics of barcoding coverage

Barcode of Life Data Systems (BOLD) Stats
                                        
Specimen Records:20Public Records:20
Specimens with Sequences:20Public Species:7
Specimens with Barcodes:20Public BINs:0
Species:7         
Species With Barcodes:7         
          
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Barcode data

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Barcode data

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Locations of barcode samples

Collection Sites: world map showing specimen collection locations for Asterales

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