BOTTOM MESONS ($\boldsymbol B$ = $\pm1$)

${{\mathit B}^{+}}$ = ${\mathit {\mathit u}}$ ${\mathit {\overline{\mathit b}}}$, ${{\mathit B}^{0}}$ = ${\mathit {\mathit d}}$ ${\mathit {\overline{\mathit b}}}$, ${{\overline{\mathit B}}^{0}}$ = ${\mathit {\overline{\mathit d}}}$ ${\mathit {\mathit b}}$, ${{\mathit B}^{-}}$ = ${\mathit {\overline{\mathit u}}}$ ${\mathit {\mathit b}}$,
similarly for ${{\mathit B}^{*}}$'s
See related reviews:
Production and Decay of ${\mathit {\mathit b}}$-flavored Hadrons
Heavy Flavor Averaging Group
Polarization in ${{\mathit B}}$ Decays
${{\mathit B}^{0}}$ $-$ ${{\overline{\mathit B}}^{0}}$ Mixing
Semileptonic ${{\mathit B}}$ Hadron Decays, Determination of V$_{cb}$ and V$_{ub}$
${{\mathit B}^{\pm}}$
$1/2(0^{-})$
${{\mathit B}^{0}}$
$1/2(0^{-})$
${{\mathit B}^{\pm}}/{{\mathit B}^{0}}$ ADMIXTURE
${{\mathit B}^{\pm}}/{{\mathit B}^{0}}/{{\mathit B}_{{s}}^{0}}/{{\mathit b}}$-baryon ADMIXTURE
$\mathit V_{cb}$ and $\mathit V_{ub}$ CKM Matrix Elements
${{\mathit B}^{*}}$
$1/2(1^{-})$
${{\mathit B}_{{1}}{(5721)}^{+}}$
$1/2(1^{+})$ **
${{\mathit B}_{{1}}{(5721)}^{0}}$
$1/2(1^{+})$ ***
${{\mathit B}_{{J}}^{*}{(5732)}}$
aka ${{\mathit B}^{**}}$
$?(?^{?})$
${{\mathit B}_{{2}}^{*}{(5747)}^{+}}$
$1/2(2^{+})$ **
${{\mathit B}_{{2}}^{*}{(5747)}^{0}}$
$1/2(2^{+})$ ***
${{\mathit B}_{{J}}{(5840)}^{+}}$
$1/2(?^{?})$ **
${{\mathit B}_{{J}}{(5840)}^{0}}$
$1/2(?^{?})$ **
${{\mathit B}_{{J}}{(5970)}^{+}}$
$1/2(?^{?})$ **
${{\mathit B}_{{J}}{(5970)}^{0}}$
$1/2(?^{?})$ **
 
   Indicates established particles.
***   Existence ranges from very likely to certain, but further confirmation is desirable and/or quantum numbers, branching fractions, etc. are not well determined.
**   Evidence of existence is only fair.