To get you the exact information you need, could you clarify: Are you referring to the ? Or perhaps a patent document ?
The phrase appears as a photo credit in studies on mushroom diversity, specifically referencing photographs by O.V. Morozava . photograph ov
Based on the search results, the phrase "photograph ov" appears in several contexts, most notably regarding botanical/mushroom descriptions and specific patent filings. To get you the exact information you need,
An artist mentions photographing their work "pre-varnish" to avoid glare, a technique they call "photographed pre-varnish". a technique they call "photographed pre-varnish".