The taxa of genus Porella (Dill.) L. in Nilgiri Hills, Western Ghats are
discussed, keyed, illustrated and provided with distribution. These are Porella
madagascariensis (Nees & Mont.) Trevis, P. chinensis Steph., P. perrottetiana (Mont.)
Trevis., P. acutifolia (Lehm. & Lindenb.) Trevis., Porella caespitans S. Hatt. var.
setigera (Steph.) S. Hatt., P. campylophylla (Lehm. & Lindenb) Trevis. and P.
campylophylla (Lehm. & Lindenb.) Trevis. var. ligulifera (Tayl.) S. Hatt., and one
more species of Porella, P. pinnata was reported earlier from the area but could not be
collected from any of the explored localities of the Nilgiri hills of Tamil Nadu.
Illustrations of all the species of Porella recorded are also provided.
Keywords: Western Ghats, Tamil Nadu, Marchantiophyta, Porellaceae, Porella.
