Kingdom [Plantae] Haeckel (1866) - plants
Count: [f†f] 7p;5c;9o;12f; †7c;31o;76f
   Division Pteridophyta Schimp. (1879) see Subphylum Pteridophytina (Eichler) Cavalier-Sm. (1998)
  Count: [f†f] 3c;7o;11f; †5c;21o;50f [30 Aug 2022]
     Class †Progymnospermopsida Beck (1960) see Clade Pan-Spermatophyta Cantino & Donoghue 2007 [Cantino, Doyle & Donoghue 2020]
    Count: [†f] †4o;7f [30 Aug 2022]
       Order †Noeggerathiales Darrah (1939)
      Count: [†f] †2f [30 Aug 2022]
         Family †Tingiostachyaceae Gao Zhifeng & B.A.Thomas (1992) see Family Tingiaceae Koidz. (1938)
        Count: -