These products are garbage and are certainly not sphagnum despite what your well meaning nursery staff may think.
Carnivorous plants carpet moss.
You can purchase readily available soil for carnivorous plants or make it yourself.
Almost all are not immediately evident and will only show up after weeks or months of seemingly healthy growth though some chemicals that are found in certain products may kill your plants very quickly.
The canadian sphagnum peat moss association cspma and associated organizations and institutions are doing their best to ensure that peat moss is a renewable resource.
As with other carnivorous plants sarracenia thrive in acidic soil.
A few of them are good for growing carnivorous plants.
One type of soil mix is 60 of peat moss and 40 of sand.
Not to be confused with green moss long fibered peat or carpet moss all of which can be found in bags calling them peat moss.
There are over 8000 other species of true mosses.
There are differences and they usually have negative effects.
As a growing medium for carnivorous or one of the soil ingredients.
Nearly all nurseries think they have sphagnum but what they usually have is peat moss or the useless green moss or sheet moss materials.
Probably the most insidious and most common moss ceratodon purpureus is called red roof moss.
Under proper management peat moss is a renewable resource.
You do not want it but chances are it is in most of your carnivore pots.
Large carnivorous plant nurseries should have it i know that california carnivores does so stick with them.