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BFNA | Family List | BFNA Vol. 1 | Tetraphidaceae | Tetrodontium

Tetrodontium brownianum (Dickson) Schwägrichen, Spec. Musc. Frond., Suppl. Secund. 1(2): 102. 1824.

  • Georgia browniana (Dickson) J. K. A. Müller
  • Tetraphis browniana (Dickson) Greville

    Plants lacking flagelliform shoots; thallose protonematal flaps narrowly linear-lanceolate acute, occasionally with a short mucronate point, margins usually entire, up to 2 mm. Leaves with costa weak or sometimes absent, present only in distal leaves. Spores about 10--12 µm.

    Varieties 2 (2 in the flora): North America, Eurasia.

    1 Protonematal flaps narrow, linear, acute, to 2.5 mm, usually entire, sometimes with a short mucronate point; stem leaves acuminate, sharply pointed.   Tetrodontium brownianum var. brownianum
    + Protonematal flaps ovate-lingulate, less than 0.5 mm, dentate, with a large acute apical cell, often mixed in with linear, mucronate flaps; stem leaves obtuse.   Tetrodontium brownianum var. ovatum

    Lower Taxa

    Related Synonym(s):


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