Flora of North America species comparison

leaves patent to erect-spreading, concave, lamina 1-stratose throughout;

proximal leaves minute and bract-like, long-deltoid, subulate, 0.38–0.8 × 0.15–0.23 mm, entire proximally, minimally serrulate to entire distally;

distal stem leaves with oblong-ovate base, apex subulate, 1.03–2.13 × 0.18–0.35 mm, entire proximally, infrequently serrulate distally;

costa narrow, percurrent.

0.25–0.53 mm.

autoicous, antheridia naked in persistent axillary leafy buds, one to several along the distal part of stem.

25–31.3 µm, densely and finely papillose, light orange-brown in mass.

leaves oblong-ovate, gradually narrowed to long-subulate, frequently crisped awn, 2.25–3.43 × 0.23–0.4 mm, margins entire proximally, irregularly serrate to serrulate distally in the subula;

basal cells loosely rectangular;

median cells irregular, subquadrate to short-rectangular to rhomboidal;

distal cells in subula oblong to trapezoidal;

costa percurrent, filling the tubulose subula;

transverse section of costa at mid leaf with central guide cells forming a row across the width between a more restricted band of adaxial stereids and an extensive abaxial stereid band, accessory cells sandwiched in the center;

innermost perichaetial leaves ovate, more or less sheathing base and acuminate tip, subpercurrent.

asexual reproduction absent.