Snakes Head Fritillary, Fritillaria meleagris, Single white flower on stem, shown against a pure white background.

Snakes Head Fritillary, Fritillaria meleagris, Purple and white flowers on stems growing in foliage, shown against a pure white background.

Fritilary, Snake's head fritillary, Purple coloured flowers growing outdoors.-

Mother-in-law's tongue, Sansevieria trifasciata, Side view of one flowering stem with pale yellow tubular flowers and leaves behind. Nectar drolets on stem.

Black Cohosh, Cohosh bugbane, Actaea racemosa, View of several white flowering stems.

Black Cohosh, Cohosh bugbane, Actaea racemosa, View of one white flowering stem.

Snake's head fritillary, Fritillaria meleagris, single stem with multiple flowers on it.

Snake's head fritillary, Fritillaria meleagris, single stem bent over so the flower is turned away, low sun backlight picks up the checkerboard pattern on the petals.

Fritillary, Snake's head fritillary, Fritillaria meleagris.

Snake's head fritillary, Fritillaria meleagris. Side on view of several flowers close up showing detail of checkerboard pattern.

Snake's head fritillary, Fritillaria meleagris. A single flower close up showing detail of checkerboard pattern.

Fritillary, Snake's head fritillary, Fritillaria meleagris.