Entity:

Concise hierarchy

Included, by definition, in node-based clade

Gnetophyta (Clade) Bessey 1907 [Donoghue, Doyle & Cantino 2007], nom. cl. inval.

Ref: P.D. Cantino et al., 2007: E21.

Welwitschia (Genus) Hook.f. (1862), nom. cons.

Ref: T.A. Zanoni, 1982: 356.

*Welwitschia* (Genus) Hook.f. (1862), nom. cons.	Ref: L. Margulis & K.V. Schwartz, 1982: 266. [rough position]
*Welwitschia* (Genus) Hook.f. (1862), nom. cons.	Ref: T.A. Zanoni, 1982: 354, 356.