How to know the economic plants; an illustrated key for identifying the plants used by man for good and in other personal ways, with some special essential facts about each plant.
| Egile nagusia: | |
|---|---|
| Formatua: | Liburua |
| Hizkuntza: | English |
| Argitaratua: |
Dubuque, Iowa
W. C. Brown
1958.
|
| Gaiak: |