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Related to thallophytes: Bryophytes, algae


Any of a group of organisms, including the algae, fungi, and lichens, that show no differentiation into stem, root, or leaf and were formerly regarded as constituting a subkingdom of the plant kingdom.

thal′lo·phyt′ic (-fĭt′ĭk) adj.
American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.


(Biology) obsolete any organism of the former division Thallophyta, lacking true stems, leaves, and roots: includes the algae, fungi, lichens, and bacteria, all now regarded as separate phyla
[C19: from New Latin thallophyta, from Greek thallos a young shoot + phuton a plant]
thallophytic adj
Collins English Dictionary – Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014


(ˈθæl əˌfaɪt)

any of the Thallophyta, a plant division in some older classification schemes, comprising algae, fungi, and lichens.
[1850–55; < New Latin Thallophyta. See thallus, -o-, -phyte]
thal`lo•phyt′ic (-ˈfɪt ɪk) adj.
Random House Kernerman Webster's College Dictionary, © 2010 K Dictionaries Ltd. Copyright 2005, 1997, 1991 by Random House, Inc. All rights reserved.


A plantlike organism that resembles a thallus, such as a fungus.
Dictionary of Unfamiliar Words by Diagram Group Copyright © 2008 by Diagram Visual Information Limited
ThesaurusAntonymsRelated WordsSynonymsLegend:
Noun1.thallophyte - any of a group of cryptogamic organisms consisting principally of a thallus and thus showing no differentiation into stem and root and leaf
cryptogam - formerly recognized taxonomic group including all flowerless and seedless plants that reproduce by means of spores: ferns, mosses, algae, fungi
Based on WordNet 3.0, Farlex clipart collection. © 2003-2012 Princeton University, Farlex Inc.
References in periodicals archive ?
Terricolous thallophytes use the same substrate as vascular plants, but have no roots and are poikilohydric.
As compared to seaweeds, which are thallophytes, seagrasses are monocotyledons that is, flowering plants.
They are primitive plants (thallophytes), that is, lacking roots, stems, and leaves, have no sterile covering of cells around the cells, and have chlorophyll as their primary photosynthetic pigment [16].
The new locality apparently represents the richest Silurian Lagerstatte of thallophytes recorded so far.