Lowe, R.
(2014).
Humidophila.
In Diatoms of North America.
Retrieved November 21, 2024, from https://diatoms.org/genera/humidophila
Symmetric Biraphid
Humidophila
Striae composed of single elongate areola
External, proximal raphe ends may be anchor-shaped
Valves are small, usually less than 20 µm. Valves are linear, linear-elliptic or elliptic. The apices are broadly rounded. Striae on the valve face are composed of one usually transapically elongated, elliptic to ovoid areola. The raphe may be secondarily filled with silica. Cells are often joined to form filamentous colonies.
There are...