thallophyte

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thal·lo·phyte

(thal'ō-fīt),
A member of the division Thallophyta.

thallophyte

(thăl′ə-fīt′)
n.
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.

thallophyte

any plant of the group (or former division) Thallophyta, containing the most primative types of plants characterized by the possession of a THALLUS. They vary in size from unicellular types to giant seaweeds up to 75 m in length. The group includes Algae, Bacteria, Fungi, slime fungi (Myxomycetes) and lichens. The Thallophyta clearly have several different evolutionary origins and the term is not used in modern systematics.
References in periodicals archive ?
2G, tentatively identified in this material allows us to conclude that the locality contains not less than eight but perhaps more than ten different species of noncalcified thallophytic algae.