They are arranging into clearly defined zones , with the Rhizophora mangle closest to the river margin .
The Rhizophora mangle , Laguncularia racemosa and Avicennia schaueriana are the main trees of the mangrove , and flower from March to October .
They are arranging into clearly defined zones , with the Rhizophora mangle mangle closest to the river margin .
The Rhizophora mangle , Laguncularia racemosa and Avicennia schaueriana are the main trees of the mangrove , and flower from March to October .