Fig. 2

Morphology of some species of mosses found in ASPA 125 (Fildes Peninsula, King George Island). a–c Bartramia patens. a Leaf; b detail of papillae in the subula; c cross section of the leaf showing costa anatomy. d–e Polytrichastrum alpinum. d Cross section of leaf showing the lamellae; e detail of lamellae apical cells with thick walls. f–h Ditrichum hyalinum. f Leaf; g detail of leaf apex; h detail of leaf base cells. i–k Distichium inclinatum. i Leaf; j detail of leaf apex; k Cross section of leaf showing costa anatomy. l–n Encalypta procera. l Leaf; m detail of leaf cells in the transition from base to mid region; n cross section of leaf showing costa anatomy. o–q Hennediella heimii. o Leaf; p detail of leaf cells in the transition from base to mid region; q Cross section of leaf showing costa anatomy. r–u Ceratodon purpureus. r–s. Distinct leaves; t detail of leaf apex; u detail of margin and median leaf cells. v–y Schistidium rivulare. v Leaf; x detail of leaf cells in the mid region; y cross section of leaf showing costa anatomy. Scales a, f, i, l, o, r, s and v 500 μm; d, m and x 200 μm; c, h, p, q, t and u 100 μm; b, e, g, j, k, n and y 50 μm