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Johnstonia
Genus Johnstonia Walkom 1925: 79.
- Name
- Johnstonia
- Rank
- Genus
- Authors (Name)
- Walkom A. B.
- Publication
- Not defined (in editing)
- Page number
- 1925: 79
- Fossil Status
- foliage
- Type
- Rhacophyllum coriaceum
- Designated by
- O.A. Jones, Jersey, Univ. Queensland Pap., Dept. Geol., New Series, 3(3–4): 18. 15 Jun 1947