Didiclis khokhrjakovii Li Bing Zhang & X. M. Zhou 2024, comb. nov.

Didiclis khokhrjakovii (Shalimov) Li Bing Zhang & X.M. Zhou, comb. nov. Basionym: Selaginella khokhrjakovii Shalimov in Shalimov et al. (2024: 51). Type: VIETNAM: Hô Chí Minh City (Saigon): plantations, zoo territory, 3 December 1979, A.P. Khokhryakov s.n. (holotype MHA0034906!; isotypes MHA0034907!, MHA0034908!). Distribution. Cambodia, (?) India, Malaysia, Myanmar, Thailand, and Vietnam (Shalimov et al. 2024). Notes: This species is similar to Didiclis flaccida in having main stems thick, primary leafy branches 2–8 cm, lax, secondary branches simple or rarely forked; dorsal leaves oblique, elliptic, narrowly ovate-elliptic or falcate, margins entire to subentire, and apex acuminate to cuspidate. However, D. khokhrjakovii has ventral leaves ovate, acuminate at apex, margins entire to subentire (with spaced teeth); dorsal leaves entire to subentire (with spaced toothed), apex acuminate. In contrast, D. flaccida has ventral leaves oblong-ovate, subacute at apex, margins entire at base, minutely denticulate towards at apex; dorsal leaves, margin entire, and apex acuminate to cuspidate (Shalimov et al. 2024).