LEMBOPHYLLACEAE IN

KEY FOR IDENTIFICATION OF LEMBOPHYLLACEAE IN View in CoL THE RUSSIAN FAR EAST AND NEIGHBORING TERRITORIES

1. Leaves ovate, wide elliptical, round or oblong-ovate, rounded at apex .................................................... 2

— Leaves ovate-lanceolate or ovate, rarely obovate, acute or acuminate ................................................ 4

2. Leaves wide elliptical or round, irregularly dentate at apex; laminal cells strongly porose ..................... ......................................... Dolichomitra cymbifolia View in CoL

— Leaves ovate or oblong-ovate, serrulate or crenulate to almost entire at apex; laminal cells eporose or weakly porose ....................................................... 3

3. Leaves oblong-ovate, cymbiform, crenulate to almost entire at apex ............. Dolichomitriopsis crenulata View in CoL

— Leaves ovate, cochleariform, serrulate at apex ....... ......................... Dolichomitriadelphus hakkodensis View in CoL

4(1). Leaves strongly dentate in distal part; capsules inclined, asymmetric ................................................... ........................... [ Isotheciastrum subdiversiforme View in CoL ]

— Leaves serrulate in distal part; capsules erect, symmetric or sporophytes absent ................................ 5

5. Leaves imbricate when dry, widest at 1/3–2/3 the leaf length; attenuate-flagelliform branches absent; capsules erect, symmetric ............................................. .............................. Dolichomitriopsis diversiformis View in CoL

— Leaves erect-spreading when dry, widest at 1/3–1/2 the leaf length; attenuate-flagelliform branches occasionally present; sporophytes unknown ............... ............................ Dolichomitriopsis cherdantsevae