Wolfgang Blum Curador

Unido: 02.dic.2017 Última actividad: 16.dic.2018

Echinocereus coccineus subsp. paucispinus spine epidermis (surface) (x500)

Hello,
my name is Wolfgang Blum I'm an active founding member and Vice Chairman of the Echinocereus Study Group of the German Cactus Society and I' ve written the book “Echinocereus” with Michael Lange, Werner Rischer & Jürgen Rutow.
The book about this fine Genus Echinocereus (Cactaceae) was published in 1998.

www.arbeitsgruppe-echinocereus.de

I' ve written the books:
Echinocereus reichenbachii-fitchii-complex (2004)
336 pages, 405 color images, 12, sw images, 6 distributions maps, 67 herbar sheets, 61 SEM images, 2 new descriptions (E. fitchii ssp. bergmannii, E. reichenbachii ssp. comanchensis)

Echinocereus Section Wilcoxia (2008 )
142 pages, 250 color images, Chapter about roots and wood cylinders
one new description (E. poselgeri ssp. gerhardtii)

Echinocereus parkeri group (2011)
144 pages, 255 color images, distribution map, 12 herbar sheets, 18 SEM images,
one status change (E. parkeri ssp. rayonesensis) two neo types

Echinocereus viridiflorus complex (2012)
336 pages, 397 color images, 3 distribution maps, 25 herbar photos, 48 SEM images,
one new description (E. blumii), one status change (E. canus)

Echinocereus adustus group (2014)
136 pages, 180 color images, distribution map, 11 herbar sheets, 24 SEM images
one neo type

Echinocereus triglochidiatus group (2015)
264 pages, 463 color images, 3 distribution maps, 28 herbar photos, 78 SEM images

Echinocereus coccineus group (2017)
560 pages, 774 color images, 2 distribution maps, 23 herbar photos, 126 SEM images

Echinocereus acifer group (2018)
416 pages, 648 color images, 4 distribution maps, 9 herbar photos, 147 SEM images
one new description (E. arizonicus ssp. oldachiorum)

at present we are working again on the realization of our book over the
Echinocereus enneacanthus-occidentalis-stramineus-complex (2020).

Booklets:
Echinocereus pulchellus and subspecies 2006
Echinocereus fendleri and subspecies 2014
Echinocereus dasyacanthus and subspecies 2015
Echinocereus pectinatus and subspecies 2016

So far I have under the genus Echinocereus:

27 descriptions of ranks (Section, Series, Subseries, Species, Subspecies and Cultivar),
52 combinations of ranks (Subgenus, Series, Subseries, Species, Subspecies and Forma)
released.

Who can help?
Seeking Echinocereus herbar sheets from the following herbaria:
CALIFORNIA: CAS
ARIZONA: ARIZ
UTAH: BRY; UT; UTC
NEW MEXICO: SJNM
TEXAS: BRIT
COLORADO: WSC; FLD
WYOMING: RM; RMS
OKLAHOMA: DUR
KANSAS: WASH; KSC; KANU

MEXICO: UAT; IBUG; HJBC; GUADA; QMEX

Ver todas