Sphagnum strictum subsp. pappeanum Sphagnum strictum subsp. strictum
Sphagnum domingense Sphagnum garberi Sphagnum garberi var. subsquarrosum Sphagnum humile Sphagnum mexicanum Sphagnum squarrifolium Sphagnum strictum var. subsquarrosum Sphagnum compactum var. expositum Sphagnum mexicanum var. squarrosulum Sphagnum mexicanum var. subsquarrosum Sphagnum rigidum var. humile Sphagnum garberi var. sphaerocephalum Sphagnum garberi f. sphaerocephalum Sphagnum garberi var. squarrosulum
World Flora Online, http://www.worldfloraonline.org/, accessed June 20, 2024