Answer:
The correct answer is "mangroves with pneumatophores".
Step-by-step explanation:
Pneumatophores are specific spongy root structures that grow out the water in hydrophytic trees, in order to allow the exchange of gases to and from the atmosphere. Mangroves usually grow in coastal saline or brackish waters and produced this type of roots. Two common species of mangroves with pneumatophores are Avicennia germinans and Laguncularia raecemosa.