Sphagnum fuscum an indicator of high depositions of sulphur and nitrogen in substrates. "S. fuscum" grows in areas with high sulphur and nitrogen depositions, which is concomitant with the decreased pH of the soil. Sphagnum has also been used historically for medicinal purposes. The moss itself has antimicrobial properties, and was therefore used as an effective filler for wounds to prevent infection. It also retains large amounts of moisture, which was quite useful in keeping the skin around a wound moist to prevent tissue death. Sphagnum fuscum Sphagnum fuscum, the rusty bogmoss or rusty peat moss, is a peat moss found commonly
What Is and What Should Never Be descending riff [of "What Is and What Should Never Be"] is amazing: It's like a bow is being drawn back, and then it releases. The rhythm of the vocals is almost like a rap. It's insane — one of their most psychedelic songs." This was also one of the first songs recorded by the band for which Robert Plant received writing credit. According to rock journalist Stephen Davis, the author of the Led Zeppelin biography "Hammer of the Gods: The Led Zeppelin Saga", the lyrics for this song reflect a romance Plant had with his wife's younger sister. "What Is