Hystrichosphaeridium palmatum ssp. palmatum

Autonym.
Name illegitimate, since the species name Hystrichosphaeridium palmatum is illegitimate.
NOW Hystrichosphaeridium recurvatum ssp. recurvatum. Originally (and now) Hystrichosphaeridium recurvatum ssp. recurvatum, subsequently Hystrichosphaeridium palmatum ssp. palmatum (name illegitimate), thirdly Hystrichosphaeridium duplum ssp. duplum (name illegitimate).