![]() ![]() The vascular system in water plants is reduced in general. The external cell wall is not so thin as in fresh water plants. Seagrasses by contrast have to struggle against the high salinity in their environment. They exchange gas optimally without risk of dessication through the thin cuticle which is air-permeable the epidermis is also thin or event absent. Fresh water plants have no water balance problems. In general, a favorable ratio of surface (high) with respect to volume (small) is encountered. ![]() ![]() Zostera marina, here left) or thread-like (round but with a small diameter e.g. When brainstorming options for a new scape, you’ll be amazed by how different most plants in the hobby can look under various conditions.Completely submerged water plants like seagrasses and pondweed ( Elodea canadensis) lack stomata. I hope that this post has inspired you to explore using some of your old favorite aquarium plants in a new context or discover novel uses for plants you previously didn’t consider.
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