not yellow flag

not yellow flag

Observation - not yellow flag - Global. Description: Yellow flowers among marsh vegetation are usually yellow flag (Iris pseudacorus). These are different; with the aid of a camera I can be confident that they are cruciferous, and the size and shape of leaves points at great yellow cress.

Yellow flowers among marsh vegetation are usually yellow flag (Iris pseudacorus). These are different; with the aid of a camera I can be confident that they are cruciferous, and the size and shape of leaves points at great yellow cress.