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Equisetum magnum

Equisetopsida - Equisetales - Equisetaceae

Taxonomy
Equisetum magnum was named by Hickey (1977). Its type specimen is USNM 43744. Its type locality is Otter Creek (USNM 14066a), which is in a Clarkforkian channel shale in the Golden Valley Formation of North Dakota.

Synonymy list
YearName and author
1977Equisetum magnum Hickey

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RankNameAuthor
kingdomPlantae
superphylumTracheophyta
Pteridobiotina
superphylumPteridophytanae
phylumEquisetophytaScott 1900
RankNameAuthor
classEquisetopsidaAgardh 1825
orderEquisetalesDumortier 1829
familyEquisetaceaeDe Candolle 1804
genusEquisetumLinnaeus
speciesmagnum

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.

Diagnosis
No diagnoses are available