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Populus crassa
Taxonomy
Macreightia crassa was named by Lesquereux (1883). It is not extant.
It was recombined as Populus crassa by Cockerell (1908), Knowlton (1919).
It was recombined as Populus crassa by Cockerell (1908), Knowlton (1919).
Sister species lacking formal opinion data
P. acuminatafolia, P. adamantea, P. alexanderii, P. artica, P. aspens, P. aspensis, P. attenuata, P. balsamoides, P. bonhamii, P. carneosa, P. cedrusensis, P. chaidamuensis, P. cinnamomoides, P. cinnamonoides, P. coalingensis, P. crenata, P. dauphnogenoides, P. eotremuloidea, P. gallowayi, P. garberii, P. germanica, P. hokiensis, P. kobayashii, P. meigsii, P. nebraskana, P. nigra, P. norinii, P. payettensis, P. populina, P. prosimonii, P. sambonsgii, P. sanzugawaensis, P. sinensis, P. tengchongensis, P. tremula, P. washoensis, P. wilmattae, P. wilmattae, P. wyomingiana, P. zaddachii, P. euphratica
Synonyms
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Synonymy list
| Year | Name and author |
|---|---|
| 1883 | Macreightia crassa Lesquereux |
| 1898 | Diospyros cuspidata Kirchner |
| 1908 | Populus crassa Cockerell |
| 1919 | Populus crassa Knowlton |
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If no rank is listed, the taxon is considered an unranked clade in modern classifications. Ranks may be repeated or presented in the wrong order because authors working on different parts of the classification may disagree about how to rank taxa.
†Populus crassa Lesquereux 1883
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Invalid names: Diospyros cuspidata Kirchner 1898 [synonym]
Diagnosis
No diagnoses are available
Measurements
No measurements are available
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| Source: p = phylum | |||||
| Reference: Kiessling 2009 | |||||
Age range: base of the Chadronian to the top of the Clarendonian or 37.00000 to 9.40000 Ma
Collections (6 total)
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Late/Upper Eocene - Early/Lower Oligocene | USA (Colorado) | Populus crassa (39837 39839 39849 39851) | |
| Chadronian | USA (Colorado) | Populus crassa (24209) | |
| Barstovian - Clarendonian | USA (Nebraska) | Populus crassa (23401) |