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Taxonomy
Tumion was named by Rafinesque (1840). It is extant.
It was assigned to Taxeae by Knowlton (1919), Knowlton (1926); and to Coniferophyta by Andrews (1970).
It was assigned to Taxeae by Knowlton (1919), Knowlton (1926); and to Coniferophyta by Andrews (1970).
Synonymy list
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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.
G. Tumion Rafinesque 1840
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†Tumion bonseri Knowlton 1926
†Tumion carolinianum Berry 1908
†Tumion densifolium Dawson 1882
†Tumion dicksonioides Dawson 1882
†Tumion falcatum Fontaine 1889
†Tumion oblanceolatum Lesquereux 1883
†Tumion virginicum Fontaine 1889
Diagnosis
No diagnoses are available