| Name | Mnemonics | 
| Pasteurella multocida | PASMU | 
| Polynucleobacter asymbioticus | POLAQ | 
| Proteus mirabilis | PROMH | 
| Pseudomonas aeruginosa | PSEAE | 
| Pseudomonas mendocina | PSEMY | 
| Rhizobium meliloti | RHIME | 
| Roseobacter denitrificans | ROSDO | 
Newick
((((Proteus_mirabilis_(PROMH), Pasteurella_multocida_(PASMU)), (Pseudomonas_aeruginosa_(PSEAE), Pseudomonas_mendocina_(PSEMY))), (Polynucleobacter_asymbioticus_(POLAQ))), (Rhizobium_meliloti_(RHIME), Roseobacter_denitrificans_(ROSDO)));
 
 Tree branches
This tree has 4 nontrivial branches: 1) {PASMU,PROMH} vs {POLAQ,PSEAE,PSEMY,RHIME,ROSDO} 2) {PASMU,PROMH,PSEMY,PSEAE} vs {POLAQ,RHIME,ROSDO} 3) {PASMU,PROMH,PSEMY,PSEAE,POLAQ} vs {RHIME,ROSDO} 4) {PSEAE,PSEMY} vs {POLAQ,PSEAE,PSEMY,RHIME,ROSDO}
Task 2. Taxonomy
| Name | Mnemonics | NCBI taxonomy | 
|---|---|---|
| Pasteurella multocida | PASMU | cellular organisms; Bacteria; Proteobacteria; Gammaproteobacteria; Pasteurellales; Pasteurellaceae; Pasteurella | 
| Polynucleobacter asymbioticus | POLAQ | cellular organisms; Bacteria; Proteobacteria; Betaproteobacteria; Burkholderiales; Burkholderiaceae; Polynucleobacter | 
| Proteus mirabilis | PROMH | cellular organisms; Bacteria; Proteobacteria; Gammaproteobacteria; Enterobacterales; Morganellaceae; Proteus | 
| Pseudomonas aeruginosa | PSEAE | cellular organisms; Bacteria; Proteobacteria; Gammaproteobacteria; Pseudomonadales; Pseudomonadaceae; Pseudomonas; Pseudomonas aeruginosa group | 
| Pseudomonas mendocina | PSEMY | cellular organisms; Bacteria; Proteobacteria; Gammaproteobacteria; Pseudomonadales; Pseudomonadaceae; Pseudomonas; Pseudomonas aeruginosa group | 
| Rhizobium meliloti | RHIME | cellular organisms; Bacteria; Proteobacteria; Alphaproteobacteria; Rhizobiales; Rhizobiaceae; Sinorhizobium/Ensifer group; Sinorhizobium | 
| Roseobacter denitrificans | ROSDO | cellular organisms; Bacteria; Proteobacteria; Alphaproteobacteria; Rhodobacterales; Rhodobacteraceae; Roseobacter | 
1) {PSEAE,PSEMY} - Pseudomonas aeruginosa group 2) {PASMU,PROMH,PSEMY,PSEAE} - Gammaproteobacteria class 3) {RHIME,ROSDO} - Alphaproteobacteria class