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Pseudoannularia laxa

Polypodiopsida - Equisetales

Taxonomy
Annularia laxa was named by Dawson (1871). It is not extant. It is the type species of Pseudoannularia.

It was recombined as Pseudoannularia laxa by Grand'Eury (1877).

Synonymy list
YearName and author
1871Annularia laxa Dawson
1877Pseudoannularia laxa Grand'Eury

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RankNameAuthor
kingdomPlantae
phylumPteridophyta
classPolypodiopsida
subclassEquisetidaeWarm 1883
RankNameAuthor
orderEquisetalesDumortier 1829
genusPseudoannulariaGrand'Eury 1877
specieslaxa(Dawson 1871)

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.

†Pseudoannularia laxa Dawson 1871
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Diagnosis
No diagnoses are available
Measurements
No measurements are available
No ecological data are available
Collections
No collection or age range data are available