[[Category:Subspecies||Variety||Forma]] [[Parent Species::Hystrichosphaeridium brevispinosum]]
Hystrichosphaeridium brevispinosum subsp. brevispinosum
Hystrichosphaeridium brevispinosum var. brevispinosum
Hystrichosphaeridium brevispinosum subsp. callosum
Hystrichosphaeridium brevispinosum subsp. castaneoides
Hystrichosphaeridium brevispinosum var. nanus