TY  - GEN
AU  - Blakeslee,Albert F.
AU  - Warmke,H.E.
TI  - Effect of induced polyploidy on doubleness and flecking in flowers of Portulaca grandiflora: (Abstract) 
PY  - 1939///
CY  - [S.l. :  
PB  - s.n.]
ER  -