| Moran, R. |
1997
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Sedum goldmanii (Rose) Moran (Crassulaceae).
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Haseltonia: Yearbook of the Cactus and Succulent Journal
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| Smith, G. F. |
1994
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Taxonomic history of Poellnitzia Uitewaal, a unispecific genus of Aloideae (Asphodelaceae).
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Haseltonia: Yearbook of the Cactus and Succulent Journal
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| Uhl, C. H. |
2007
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Chromosomes and hybrids of Echeveria XI. South American species of Series Racemosae.
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Haseltonia: Yearbook of the Cactus and Succulent Journal
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| Rebman, Jon P. |
1994
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Stamen aberration in Opuntia prolifera Engelmann (Cactaceae).
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Haseltonia: Yearbook of the Cactus and Succulent Journal
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| Moran, R. |
1995
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The subspecies of Dudleya virens (Crassulaceae).
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Haseltonia: Yearbook of the Cactus and Succulent Journal
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| Moran, R. |
2001
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Dudleya attenuata, with the new subspecies australis.
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Haseltonia: Yearbook of the Cactus and Succulent Journal
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| Dorsch, Rudi |
2002
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Epiphyllum baueri Dorsch, a new species from Colombia and Panama
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Haseltonia: Yearbook of the Cactus and Succulent Journal
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| Binojkumar, M. S., Balakrishnan, N. P. |
1994
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Neotypification of Euphorbia tortilis.
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Haseltonia: Yearbook of the Cactus and Succulent Journal
|
| Mitich, L. W. |
2000
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Mary Emily Eaton, a gifted botanical artist.
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Haseltonia: Yearbook of the Cactus and Succulent Journal
|
| Mauseth, J. D. |
2005
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Anatomical features, other than wood, in subfamily Opuntioideae (Cactaceae).
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Haseltonia: Yearbook of the Cactus and Succulent Journal
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| Wallace, R. S., Forquer, E. D. |
1995
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Molecular evidence for the systematic placement of Echinocereus pensilis (K. Brandegee) J. Purpus (Cactaceae).
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Haseltonia: Yearbook of the Cactus and Succulent Journal
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| Moran, R. |
1997
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Sedum jurgensenii (Hemsl.) Moran (Crassulaceae).
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Haseltonia: Yearbook of the Cactus and Succulent Journal
|
| Leuenberger, B. E., Eggli, U. |
2000
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The genus Eulychnia (Cactaceae) in Chile: Notes on the taxonomy, types, and other old specimens.
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Haseltonia: Yearbook of the Cactus and Succulent Journal
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| García-Aguilar, M., Pimienta-Barrios, E. |
1996
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Cytological evidences of agamospermy in Opuntia (Cactaceae).
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Haseltonia: Yearbook of the Cactus and Succulent Journal
|
| Moran, R. |
1997
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The genus Sedella Britton & Rose (Crassulaceae).
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Haseltonia: Yearbook of the Cactus and Succulent Journal
|
| Laferrière, J. E. |
1996
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The history of Berlandier's Cactus bicolor.
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Haseltonia: Yearbook of the Cactus and Succulent Journal
|
| Davidson, A. |
30/03/1905
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Flora of Clifton, Arizona. --III.
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Bulletin of the Southern California Academy of Sciences
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| Clark, W. H., Ward, D. M. |
2000
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Hurricane impacts in the Central Desert of Baja California Norte, Mexico.
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Haseltonia: Yearbook of the Cactus and Succulent Journal
|
| Rebman, Jon P. |
1998
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A new cholla (Cactaceae) from Baja California, Mexico.
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Haseltonia: Yearbook of the Cactus and Succulent Journal
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| Uhl, C. H. |
1994
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Chromosomes and hybrids of Echeveria (Crassulaceae) I. Series Induplicatae and Paniculatae.
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Haseltonia: Yearbook of the Cactus and Succulent Journal
|
| Leuenberger, B. E. |
2000
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Harrisia regelii (Weingart) Borg and the discovery of its Argentinian origin.
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Haseltonia: Yearbook of the Cactus and Succulent Journal
|
| Uhl, C. H. |
1998
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Chromosomes and hybrids of Echeveria (Crassulaceae) VI. Series Angulatae Walther and series Pruinosae Walther.
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Haseltonia: Yearbook of the Cactus and Succulent Journal
|
| Uhl, C. H. |
1995
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Chromosomes and hybrids of Echeveria III. Series Secundae (Baker) Berger (Crassulaceae).
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Haseltonia: Yearbook of the Cactus and Succulent Journal
|
| Uhl, C. H. |
1995
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Chromosomes and hybrids of Echeveria II. Series Occidentales Moran (Crassulaceae).
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Haseltonia: Yearbook of the Cactus and Succulent Journal
|
| Uhl, C. H. |
1997
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Chromosomes and hybrids of Echeveria V. series Ciliatae Moran and Valvatae Moran.
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Haseltonia: Yearbook of the Cactus and Succulent Journal
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