TABLE 3 in Re-examination of the distribution and species diversity of the genus Padina (Dictyotales, Phaeophyceae) in the Mediterranean Sea

TABLE 3. Morphological and reproductive characters of P. ditristromatica, P. gymnospora, P. pavonica, P. pavonicoides and P. tetrastromatica.
CharactersThallus surfaceP. ditristromatica 5, 7, 9P. gymnospora 2, 3, 12P. pavonica 1, 5, 7, 9, 11P. pavonicoides 1, 5, 7, 9P. tetrastromatica 3 as P. antillarum, 4, 6, 8, 10upperheavylightlightlightlightCalcificationlowermoderateabsentabsent or lightabsent or lightabsentupperconspicuousinconspicuousinconspicuousinconspicuousinconspicuousHair lineslowerconspicuousconspicuousmoderatemoderateconspicuousArrangement of hair lines between the two surfacesunequal distanceequal distanceequal distanceequal distanceequal distanceStructures ofuppernarrow-undepressednot prominentnarrow-undepressednarrow-undepressednarrowundepressedhair lineslowerbroad-depressednot prominentnarrow-undepressedbroad-slightly depressednarrowundepressedrolled apical portion22222Layers of cellsmedianmixture 2 - 33 - 4333 - 4basemixiture 2 - 36 -83 - 434upperabsentpresentabsentabsentabsentPosition of sporangial sorilowerpresentpresentpresentpresentpresentStructures of sporangial sorinarrow-broad above hair lines, narrow below hair linesnarrowbroadArrangement of sporangial soribroken lines or patches above hair linesmore or less continuous linescontinuous lines on both sides of the hair linespatches above hair linescontinuous lines above hair lines, discontinuous lines below the hair linesIndusiumpresentabsentpresentpresentabsent“ Vaughaniella ” stageabsent-presentpresentpresent