Bog plant and Hydrophyte

Bog plant noun - A semiaquatic plant that grows in soft wet land; most are monocots: sedge, sphagnum, grasses, cattails, etc; possibly heath.

Hydrophyte and bog plant are semantically related. In some cases you can use "Hydrophyte" instead a noun phrase "Bog plant".

Hydrophyte noun - A plant that grows partly or wholly in water whether rooted in the mud, as a lotus, or floating without anchorage, as the water hyacinth.

Bog plant and hydrophyte are semantically related. Sometimes you can replace phrase "Bog plant" with "Hydrophyte", this terms are similar.