More evidence is needed to rate the effectiveness of brown algae.

There is not enough information available to know if brown algae are safe to take for medical conditions.

At this time there is not enough scientific information to determine an appropriate range of doses for brown algae.

They appear to be the closest relatives of the brown algae.

Members of this order generally prefer warmer waters than other brown algae.

The term includes some members of the red, brown and green algae.

Other groups of brown algae grow to much larger sizes.

This does not mean that brown algae completely lack specialized structures.

The metal surface was covered with a slippery brown algae.

Lamouroux was the first to make the distinction between green, brown and red algae.