Wolfgang Blum Curator

Joined: Dec 02, 2017 Last Active: Dec 09, 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)
Echinocereus Section Wilcoxia (2008 )
Echinocereus parkeri group (2011)
Echinocereus viridiflorus complex (2012)
Echinocereus adustus group (2014)
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

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

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