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Equisetum alexanderi
Taxonomy
No taxonomic data are available
Sister species
E. abiquiense, E. arcticum, E. arvense, E. burchardti (syn. E. marylandicum, E. virginicum), E. canaliculatum, E. cascadensis, E. collieri, E. columnare, E. deciduum, E. florissantense, E. fluviatile, E. globulosum, E. haguei, E. haydenii, E. hyemale, E. knowltoni, E. laevigatum, E. lesquereuxii, E. limosum, E. lyellii, E. magnum, E. meriani, E. mokhotlongensis, E. montanense, E. muensteri, E. newberryi (syn. E. robustum), E. oregonense (syn. E. hornii), E. palustre, E. parlatorii, E. perlaevigatum (syn. E. laevigatum), E. phillipsii, E. rajmahalense, E. robustum, E. rogersii (syn. Phytolithus striaticulmis, Calamites disjunctus, E. arundiniforme, E. columnaroides, Calamites arenaceus), E. scirpoides, E. similkamense, E. sylvaticum, E. texense, E. wyomingense
Sister species lacking formal opinion data
E. aquatile, E. arenaceum, E. beani, E. beanii, E. boreale, E. brongniartii, E. bryanii, E. burchardtii, E. duvalli, E. exsertum, E. haukeanum, E. laterale, E. lusitanicum, E. mamertinus, E. miocenicum, E. modderdriftense, E. mougeotii, E. mytharum, E. octangulatum, E. pellati, E. remotum, E. sarthensis, E. simenense, E. strigatum, E. winchesteri
Synonymy list
No taxonomic opinions are available
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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.
Diagnosis
No diagnoses are available
Measurements
No measurements are available
No ecological data are available
Age range: base of the Burdigalian to the top of the Early/Lower Clarendonian or 20.45000 to 9.40000 Ma
Collections (3 total)
Time interval | Ma | Country or state | Original ID and collection number |
---|---|---|---|
Miocene | USA (Idaho) | Equisetum alexanderi (35278) | |
Burdigalian | USA (Nevada) | Equisetum alexanderi (27701) | |
Early/Lower Clarendonian | USA (Nevada) | Equisetum alexanderi (27659) |