Clostridia are endospore producing bacteria that can live in soil and sediment which can let them lie dormant for years. 

University of Wisconsin - Madison

Low G+C gram positive bacteria have less than 50% cytosines and guanines their genomes. This group of bacteria also contains many pathogens. They consist of many different bacteria: 
- Clostridia
- Lactobacillales
- Bacilli
- Mycoplasmas 

Low G+C gram positive bacteria

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Clostridia

Lactobacillales is a low G+C gram positive bacteria that have bacilli and cocci bacteria: 
- *Lactobacillus*
- *Leuconostoc*
- *Enterococcus*
- *Streptococcus*

Lactobacillales 

Bacterial cells that are rod shaped are bacilli. Bacilli are capable of forming endospores. 

Bacillus

Mycoplasmas are gram positive bacteria even though they lack a cell wall. They were identified by being gram positive because of their low G+C content genome. 

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