Concise hierarchy

(Kingdom) Plantae

Phylogeny

Node-based clade		Ref: P.D. Cantino et al., 2007: E12 ("node based").
Crown clade		Ref: P.D. Cantino et al., 2007: E12. [inferred]
Reference phylogeny [PhyloCode]		Ref: P.D. Cantino et al., 2007: E12 ("Rydin & Wikström, 2002. See also Kenrick & Crane (1997: Fig. 6.19), Korall & al. (1999), Pryer & al. (2001).").

Defined by the most recent common ancestor (and all its descendants) of

Isoëtes lacustris L. (1753)		Ref: P.D. Cantino et al., 2007: E12.
Selaginella apoda (L.) Spring (1840)		Ref: P.D. Cantino et al., 2007: E12.

Original position

Lycopodiophyta (Clade) Cronquist, Takhtajan & Zimmermann 1966 [Cantino & Donoghue 2007], nom. cl. inval.

Ref: P.D. Cantino et al., 2007: fig. 1.

Original entries

Isoëtes (Genus) L. (1753)		Ref: P.D. Cantino et al., 2007: E12.
†Lepidodendron (Genus) Sternb. (1820)		Ref: P.D. Cantino et al., 2007: E12 ("e.g.").
Selaginella (Genus) P.Beauv. (1805), nom. cons.		Ref: P.D. Cantino et al., 2007: E12.

Current position

Lycopodiophyta (Clade) Cronquist, Takhtajan & Zimmermann 1966 [Cantino & Donoghue 2007], nom. cl. inval.

Ref: P.D. Cantino et al., 2007: E12. [new rank]

Historical positions

Lycopodiophyta (Clade) Cronquist, Takhtajan & Zimmermann 1966 [Cantino & Donoghue 2007], nom. cl. inval.

Ref: P.D. Cantino et al., 2007: E12, table 1 (p. [E]5), fig. 1. [new rank]