Gnetophyta

Gnetophyta

Gnetophyta Bessey.

Ephedraceae

Ephedraceae Dumort.
Swedish: efedraväxter.

Gnetaceae

Gnetaceae Lindl.
Swedish: gnetumväxter.

Welwitschiaceae

Welwitschiaceae Markgr.
Swedish: welwitschiaväxter.
French: welwitschiacées.

I have no articles for this botanical term, but there might be some for the next level down (if found).