Table 2 in Notes on the marine algae of the Bermudas. 15. Dichotomaria huismanii (Galaxauraceae, Rhodophyta), a new species in the D. marginata complex from the western Atlantic

Table 2: Morphological characters of sequenced isolates used for genetic comparison of western Atlantic species in the Dichotomaria marginata complex.
SpeciesDichotomaria marginataDichotomaria huismanii sp. nov.Dichotomaria sp. 1 CRBPlant height (cm)To 10To 8To 11Plant width (cm)To 13To 12To 14Axis in transverse sectionFlattened throughoutSubterete below, flattened aboveFlattened throughoutBranch angles72–89 °(32–) 41–54 (–68) °41–89 °Internode length (mm)4.7–13.73–94.8–13.3Internode width (mm)1.6–2.61.2–2.21.0–2.1AnnulationsFaintFaint when presentFaint to strongSporophyteCortical cell layers3, rarely 4, including stalk4 including stalk cells4 including stalk cellscellsOuter cortical cellsOvoid to subsphericalOvoid to subspherical in section,Ovoid to lanceolate inin section, circular toirregularly polygonal in surfacesection, polygonal in surfaceellipsoidal in surface viewviewviewOuter cortical cell height (µ m)20–4028–5034–50Outer cortical cell diameter (µ m)(21–) 33–4922–4817–34Apiculae on outer cortical cellsRareAbsentNumerousStalk cell length (µ m)15–3623–4525–41Stalk cell, center diameter (µ m)5–105–147–15Subcortical cell length (µ m)25–6821–48 (-70)27–43Subcortical cell diameter (µ m)50–115(32–) 60–9321–30Medullary filament diameter (µ m)7–1313–266–15Type localityBahamas Is., West IndiesBermuda–Collection region of specimensSt. Croix, USVI, West IndiesBermudaSt. Kitts, St. Croix