Sargassum muticum Sargassum muticum Sargassum muticum, commonly known as Japanese wireweed, is a large brown seaweed of the genus "Sargassum". It is an invasive seaweed with high growth rate (up to 10 cm per day during spring). It has an efficient dispersion thanks to its floats. "Sargassum muticum" is a brown seaweed, normally brown to yellowish with a length up to 10 m. It is an autotroph that uses energy from sunlight. The photosynthesis is facilitated thanks to aerial vesicles which allows the algae to raise to the surface. "Sargassum muticum" is composed of two distinct parts: a perennial part, which contains
Mary Harriet Bate retains 361 of her plant specimens and the collection includes the rare shrub "Myoporum bateae" and the moss "Bryum bateae" named for her. Also there are the moss "Bryum viridulum" as well as the basidiomycete "Trametes heteromalla" , the alga "Sargassum laevigatum" and the tree "Eucalyptus bosistoana". All these were type specimens for the respective species which she collected. Her algal specimens were identified by Jacob Agardh, the fungal specimens by Mordecai Cooke and the bryophytes by Carl Müller. Bate was only one of Mueller's at least 220 female collectors, although she was one of the more prolific of them.