5 literature references for Opuntia engelmannii Salm-Dyck:
Author: |
– |
Year: |
1996 |
Title: |
– |
Source: |
database, NODC Taxonomic Code |
Author: |
– |
Year: |
2013 |
Title: |
– |
Source: |
The International Plant Names Index, botanical information system from the Royal Botanic Gardens, Kew, the Harvard University Herbaria, and the Australian National Herbarium, available at http://www.ipni.org/index.html |
Author: |
– |
Year: |
2000 |
Title: |
– |
Source: |
database, The PLANTS Database |
Author: |
– |
Year: |
1996 |
Title: |
– |
Source: |
database, The PLANTS Database |
Author: |
– |
Year: |
2013 |
Title: |
– |
Source: |
Tropicos, botanical information system at the Missouri Botanical Garden, available at http://www.tropicos.org/ |