The phrase "are mostly regarded as" is correct and usable in written English.
It can be used when discussing how something is perceived or classified by the majority of people or experts.
Example: "These species are mostly regarded as endangered due to habitat loss and climate change."
Alternatives: "are generally considered to be" or "are often seen as".
In Europe, the remaining gypsies have largely lost what romance they had and are mostly regarded as a nuisance.American hobos, though, are associated with two powerful sources of myth: freight trains and cowboys.
In their native form, a subgroup of Bt toxins, classified as Cry toxins, are mostly regarded as safe for human health and the environment because of their mode of action, that requires a basic pH and some specific receptors and enzymes [4].
Although this reduces the external validity, the advantages of standardisation are mostly regarded as preponderant.
Fusarium spp. are mostly regarded as soil-borne fungi where they are abundant and associated with plants as either parasites or saprophytes [ 1, 2].
The use of enzymes has gained increasing attention particularly for the synthesis of injectable in situ-forming hydrogels because enzymes usually react under physiological conditions and, in contrast to many chemicals, are mostly regarded as biocompatible.
Thus, they are mostly regarded as autochthonous to non-flower habitats, such as plant surfaces or soils [ 23, 26, 27] and their presence in floral nectar is usually believed to be a contamination from other neighboring substrates [ 24].
Today "Peyton Place" is mostly regarded as a historical curiosity, but "On the Road," celebrating the 50th anniversary of its publication, still has a vibrant life on college English course syllabuses and high school summer reading lists, and in young travelers' backpacks.
Argus, on the other hand, is mostly regarded as a hero inside BHP as he led the miner out from financial trauma and overexpansion after a spate of mergers and acquisitions in the 1990s.
The 70-year old Argus is mostly regarded as a hero inside BHP as he led the miner out from financial trauma and overexpansion after a spate of mergers and acquisitions in the 1990s.
Although experimental data reveal major complexities in carbonate phase diagrams, and natural occurrences highlight extreme compositional variability, these series have been mostly regarded as simple binary mangesite-siderite, and dolomite-ankerite solid solutions, the latter eventually coexisting with calcite/aragonite.
Today the Copenhagen interpretation is mostly regarded as synonymous with indeterminism, Bohr's correspondence principle, Born's statistical interpretation of the wave function, and Bohr's complementarity interpretation of certain atomic phenomena.
