cos ystem ▁har b ors ▁a ▁great ▁divers ity ▁of ▁plant ▁species : ▁ ▁very ▁large ▁trees ▁that ▁grow ▁above ▁ ▁( tab on u co , ▁a com at ▁bou can , ▁ch est nut ); ▁mid - level ▁trees ▁between ▁ ▁and ▁ ▁( bo is ▁band é , ▁o le ander ); ▁shr ubs ▁and ▁her b ace ous ▁plants ▁below ▁ 1 0 ▁m ▁( mount ain ▁pal m , ▁hel icon ia , ▁f ern s ); ▁and ▁e pi ph yt ic ▁species ▁( gi ant ▁phil od end ron , ▁a ile - à - m ou che , ▁orch ids ). ▁ ▁The ▁high - e lev ation ▁for ests ▁above ▁ ▁are ▁much ▁less ▁dense ▁than ▁the ▁park ' s ▁other ▁for ests , ▁due ▁to ▁the ▁extremely ▁wet ▁conditions ▁and ▁constant ▁cloud ▁cover . ▁These ▁for ests ▁res emble ▁sav ann as . ▁ ▁Coast al ▁forest ▁Veg et ation ▁in ▁the ▁coast al ▁zone ▁faces ▁the ▁challeng es ▁of ▁sal inity ▁in ▁the ▁air ▁and ▁soil , ▁inten se ▁heat ▁from ▁the ▁sun ▁and ▁its ▁dry ing ▁effect , ▁and ▁the ▁constant ▁wind . ▁Notable ▁plant ▁species ▁in ▁this ▁environment ▁include ▁se ag ra pe ▁and ▁p ear . ▁ ▁Mang ro ve ▁The ▁Grand ▁C ul - de - S ac ▁Mar in ▁Nature ▁Reserve ▁includes ▁coast al ▁wet land ▁for ests ▁that ▁are ▁flo oded ▁either ▁perman ently ▁or ▁inter mitt ently ▁by ▁fresh ▁or ▁salt ▁water , ▁compr ising