You will see the print more easily on white but any difference from black is best assessed on a black surface not sure about the global distribution of p.
Liberty cap spore print colour.
Pacific blue liberty cap spore print microscopy kit.
Ranging from 0 5 to 2cm in diameter the cream coloured caps have striations that become more pronounced with age and in dry weather.
Liberty caps are common on the west coast of the united states particularly in the northwestern states of washington and oregon.
If the cap leaves behind dark purplish brown spores when placed on a piece of paper while drying out it is more than likely a liberty cap mushroom.
Liberty caps are often recognised by the small nipple like protrusion on top of the cap.
Manure enriched grasslands.
The caps usually have a distinct pimple on the top.
Stems are about 4 10cm tall and 2 3mm in diameter.
These look like panaeolus foenesecii.
The spore print on the inside of the cap which is extremely important to pay attention to should be a dark purple colour.
Pacific blue liberty cap spore print microscopy kit.
The pacific blue strain is an uncommon but not necessarily rare color variant with unusual bluish tones and a more hemispheric cap shape.
It would help to see the undersides and spore print color would also be useful.
Take the print on a non porous pure black surface.