Synonyms: Huperzia acutifolia; Huperzia epiceifolia; Huperzia forsteri; Huperzia hookeri; Huperzia remoganense; Huperzia squarrosa; Huperzia ulicifolia; Lycopodium acutifolium; Lycopodium epiceaefolium; Lycopodium epiceifolium; Lycopodium forsteri; Lycopodium gnidioides; Lycopodium hookeri; Lycopodium lohitense; Lycopodium madagascariense; Lycopodium pseudosquarrosum; Lycopodium remoganense; Lycopodium squarrosum (homotypic); Lycopodium squarrosum f. hippuroides; Lycopodium ulicifolium; Phlegmariurus acutifolius; Phlegmariurus ulicifolius; Plananthus squarrosa; Urostachys epiceaefolius (homotypic); Urostachys epiceaefolius var. acutifolius (homotypic); Urostachys epiceifolius (homotypic); Urostachys epiceifolius var. acutifolius (homotypic); Urostachys madagascariensis; Urostachys squarrosus; Urostachys squarrosus f. madagascariensis (homotypic); Urostachys squarrosus intermedius; Urostachys squarrosus var. proliferus (homotypic); Urostachys ulicifolius (homotypic)