Phytograms: https://phytogram.blog/recipe/
Pollenol: bee pollen photo developer.
Related: photogram collage –http://filmslie.com/stan-brakhage-mothlight/
Chemigram: – https://www.alternativephotography.com/the-chemigram/
“uses resists on photographic paper much the same way as wax is used as a resist in batik.”
Cyanotypes: https://www.alternativephotography.com/cyanotype-classic-process/
“Unlike photographs set in silver, like in black and white photography, cyanotypes are using a solution of iron compounds.“
(Karly McCloskey/Mary McIntyre)
Collographs