Table 3.

Comparisons of morphological characters and elevational range of Dipterisshenzhenensis and D.chinensis.

Character	D.shenzhenensis	D.chinensis
Rhizome	Long and creeping	Creeping
Rhizome scales	Dark brown to black, 6.8–8.0 × 0.06–0.27 mm	Brown, 3.74–4.00 × 0.04–0.26 mm
Fronds	Abaxially pale; base with broad wings	Abaxially green; base without wings
Lobes	4–6 × 14.5–18.0 cm	4–8 × 17–23 cm
Stipe	Castaneous, 40–85 cm	Stramineous to brown, 25–50 cm
Spores	18.5–19 × 37.5–39 μm	21.5– 25.5× 32.5–39 μm
Elevation	70–200 m	500–2100 m