Lowe, R.
(2014).
Humidophila.
In Diatoms of North America.
Retrieved May 01, 2026, from https://diatoms.org/genera/humidophila?x-craft-preview=cab8b13ef68d1e257235fd2491770f51dfe0c9a6c0ad3b95411776e5316d603alxhbyabypv
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...