Table 2 in On the Bryoxiphium norvegicum and B. japonicum (Bryoxiphiaceae, Bryopsida).

Table 2. Comparison of the main diagnostic characters of Bryoxiphium norvegicum and B. japonicum Length of filiform awns in perichaetial/perigonial leaves, mmBryoxiphium norvegicum 1–3(–5)Bryoxiphium japonicum (4–)5–12Margin serrationsubentire to slightly crenulateserrateShape of basal leaf cellsshort rectangular, hardly differentiatedsubquadrate, ± differentiatedLength/width ratio of basal leaf cells1.6–3.0:11–1.4:1Dorsal lamella height, cell number(0–)1–33–4(–5)Dorsal lamella lengthonly in upper part of leafdescending far below, often to the leaf baseShape of middle stem leaf apexobtuse, occasionally notched, mostly with short apiculus formed by excurrent costa and dorsal lamella or solely by costa, rarely with filiform awns to 0. 2 mm longobtuse, often notched, suddenly narrowed into filiform awn to 0. 4 mm long, formed by lamina, costa and dorsal lamellaSpore size, µm14–19(–23)(17–)19–24