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From translingual Thallophyta. Surface reading of thallus +‎ -phyte (plant).



thallophyte (plural thallophytes)

  1. (botany) Any of very many primitive plants that consist of a thallus (plant body not differentiated into roots, stems and leaves), formerly collected in the obsolete taxonomic group Thallophyta.
    • 1994, Estrelita A. Madriaga, Anthony Lee, Felicitas B. Ventura, Orlando A. Oronce (coordinator), Biology: Science and Technology II, page 347,
      They[algae, fungi and mosses] lack the vascular tissues; thus, they are called thallophytes. Algae are thallophytes with chlorophyll. [] Fungi are thallophytes without chlorophyll.
    • 1994, Pat E. Rasmussen, Chapter IV.5: Mercury in Vegetation of the Precambrian Shield, Carl J. Watras, John W. Huckabee (editors), Mercury Pollution: Integration and Synthesis, page 422,
      In general, the usefulness of the thallophytes as Hg bioindicators was limited by their sporadic occurrence in the forest environment. Because of the importance of the thallophytes as components of the food chain, however, several samples from different groups (summarized in Table 2) were collected for comparison with values reported in the literature.
    • 1999, R. G. Hermann, “The Chloroplast: Part of the Integrated Genetic System of the Plant Cell”, in Joan H. Argyroudi-Akoyunoglou, Horst Senger, editors, The Chloroplast: From Molecular Biology to Biotechnology, page 66:
      Fossile[sic] records along with molecular, cytological and morphological phylogenetic work favour a single origin of land plants from charophycean thallophytes, and indicate that several major lineages of vascular plants had evolved more than 400 million years ago.


  • (plant consisting of thallus only): thallogen

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thallophyte f (plural thallophytes)

  1. thallophyte