The Brent C. Dickerson Collection of Cacti and Other Succulents

This very modest collection of cacti and other succulents has as its sole distinction the fact that almost everything in the collection, other than commercial cultivars, was grown from seed by Mr. Dickerson. Some individual specimens, while small in size, date back to the 1960s. The ever-turbulent world of cactus nomenclature, while it may not leave the identity of a particular specimen in doubt, does leave one wondering about what its currently favored name might be. Here, we adopt a traditional nomenclature—in most cases, that in effect when the specimen germinated—which we hope to revise when the taxonomic world finally reaches calm and sunny shores. In our listings, the hybrid cultivars follow the species. As always, we welcome corrections and suggestions; data concerning parentages of hybrids is particularly besought. Collection numbers (as "KK1393") are supplied as possible.

CACTI.

• Acanthocalycium.

  1. species aff. A. spiniflorum P120
  2. species Cordoba P91

• Akersia.

  1. rosæflora (syn. Cleistocactus samaipatanus)

• Aporocactus.

  1. flagelliformis
  2. 'Candy Floss'
  3. 'Neue Petersen Hybride'
  4. 'Red'

• Arequipa.

  1. erectrocylindrica
  2. species Tacna

• Ariocarpus.

  1. retusus

• Astrophytum.

  1. asterias Gonzales, Tampico L1016
  2. coahuilense (currently subsumed in A. myriostigma)

• My Astrophytum coahuilense, blooming November 21, 2010.

• Browningia.

  1. candelaris (two specimens) original seeds from Edgar and Brian Lamb's "The Exotic Collection."

• Cleistocactus.
See also Akersia.

  1. hyalacanthus

• Copiapoa.

  1. cinerea
  2. magnifica KK1393

• Denmoza.

  1. rhodacantha

• Echinocereus.

  1. barthelowanus
  2. cinerascens
  3. grandis
  4. species

• Echinofossulocactus.
Currently in Stenocactus.

  1. erectrocentrus
  2. multicostatus
  3. ochotereanus var. rosasianus
  4. wippermannii
  5. zacatecasensus

• Epiphyllum.

  1. strictum
  2. 'Arlene'
  3. 'Bayou Belle'
  4. 'Cherry Parfait'
  5. 'Dijonnaise'
  6. 'Evening Delight'
  7. 'Fasan'
  8. 'Fluid Orange'
  9. 'Hocus-Pocus'
  10. 'Kona Coast'
  11. 'London Fog'
  12. 'Marvelous Mars'
  13. 'Pink Lightning'
  14. 'Red Barbara'
  15. 'Segovia'
  16. 'Spring on Mars'
  17. 'Tecuya'
  18. 'Trocadero'
  19. 'Twice as Nice'
  20. 'Unknown Red and Purple'
  21. 'Vive Rouge'
  22. 'Wild Thing'
  23. 'Wind River'
  24. 'Wrayi'

• Espostoa.

  1. nana

• Ferocactus.

  1. cylindraceus
  2. electracanthus

• Helianthocereus.
Currently in Echinopsis; often in Trichocereus.

  1. antenzenæ
  2. bertramii
  3. crassicaulus
  4. escayachensis
  5. grandiflorus
  6. huascha
  7. mantanzanus
  8. narvæzensus
  9. pasacana
  10. pseudocandicans

• Mammillaria.

  1. albicans
  2. albicoma
  3. armillata
  4. fraileana
  5. matudæ
  6. matudæ var. serpenticola
  7. multidigitata
  8. rhodantha original seeds from Edgar and Brian Lamb's "The Exotic Collection"
  9. tayloriorum
  10. theresæ
  11. zeilmanniana original seeds from Edgar and Brian Lamb's "The Exotic Collection"

• Mammillopsis.

  1. senilis

• Opuntia.

  1. basilaris

• Oreocereus.

  1. species
  2. species

• Rebutia.

  1. calliacantha
  2. minuscula var. violacæflora

• Soehrensia.

  1. bruchii

• Sulcorebutia.

  1. glomeriseta

• Uebelmannia.

  1. pectinifera
  2. pectinifera var. pseudopectinifera

OTHER SUCCULENTS.

• Aeonium.

  1. arboreum var. atropurpureum 'Schwarzkof'
  2. arboreum var. luteo-variegata
  3. arboreum var. manriequorum
  4. castello-paivæ
  5. decorum
  6. haworthii
  7. haworthii var. variegata 'Kiwi'
  8. sedifolium
  9. cultivar 'Menfi' (A. decorum red form × A. castello-paivæ)

• Agave.

  1. parviflora
  2. stricta f. nana
  3. victoria-regina f. compacta
  4. verschafeldtii

• Aloe.

  1. brevifolia
  2. capitata
  3. chabaudii
  4. dhalensis
  5. humilis
  6. inyangensis
  7. jucunda
  8. karasburgensis
  9. kilifiensis
  10. macroclada var. quartziticola
  11. morogoroensis
  12. mutans
  13. species (kitchen door)
  14. species (Rosa hem.)
  15. hybrid (evidently A. dhalensis × ?; looks like a confused Chamæaloe)

• Crassula.

  1. mesembryanthemoides

• Dudleya.

  1. pulverulenta

• Echeveria.

  1. albicans
  2. carnicolor
  3. coccinea
  4. multicaulis
  5. species (front edger)
  6. hybrid? (like a sprawlier E. coccinea)
  7. 'Snowflake'

• Mystery Echeveria No. 2 (below).

• Gasteria.

  1. liliputana
  2. hybrid? (unblooming)

• Graptopetalum.

  1. amethystinum
  2. paraguayense

• Kalanchoe.

  1. pumila

• Pachyphytum.

  1. compactum

Pachyphytum compactum• Pachyphytym compactum.

• Pelargonium.

  1. carnosum

• Sedeveria.

  1. 'Jet Beads'

• Sedum.

  1. adolphii
  2. spurium 'Voodoo'
  3. ussuriense 'Turkish Delight'
  4. pachyphyllum
  5. species (front red)

• Trichodiademum.

  1. bulbosum
  2. decorum
  3. mirabile
  4. species
  5. species aff. T. littlewoodii

More data and pictures to be added in due course...

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