The scientific description indicates that this plant is likely a variable species, so the two plants are probably varieties of the species A. reginae. The specific name means "of Queens" or "of The Queen", placing this plant firmly in the royal category.
They grows best in bright, indirect light. Care also requires that the soil be free draining but hold some water. If you are growing this plant as a houseplant, half and half mix of potting soil and orchid soil or perlite will provide the kind of soil anthuriums prefer.