Calflora
Taxon  Report   8429    
Crataegus monogyna  Jacq.
Hawthorn
Crataegus monogyna
© 2007 Dr. Amadej Trnkoczy
Photos from
CalPhotos / Calflora
Crataegus monogyna
© 2007 Luigi Rignanese
Crataegus monogyna
© 2014 Jean Pawek
Crataegus monogyna, a dicot, is a shrub that is not native to California; it was introduced from elsewhere and naturalized in the wild. Cal-IPC rating: Limited

Interactive Distribution Map


Observation Hotline
(observation details + photos)



point, line, or polygon

one or more occurrences
within a 7.5-minute quadrangle

Plant Characteristics
and Associations



Bloom Period
Crataegus monogyna
© 2010 Phil Pullen
Wetlands: Equally likely to occur in wetlands and non wetlands
Name Status:
Accepted by JEF + PLANTS

Alternate Names:
PLANTS: Crataegus curvisepala
PLANTS: Crataegus oxyacantha var. paulii
PLANTS: Crataegus oxyacantha
More information about  Crataegus monogyna
Photos on PlantID.net   /   Google Images
Jepson eFlora

Records from the Consortium of California Herbaria

ITIS Original Publication citation

USDA PLANTS Profile (CRMO3)

Search the International Plants Names Index

Search efloras.org (Flora of North America)

website references from Google


Suggested Citation
Calflora: Information on California plants for education, research and conservation,
with data contributed by public and private institutions and individuals, including the Consortium of California Herbaria.
[web application]. 2018. Berkeley, California: The Calflora Database [a non-profit organization].
Available: http://www.calflora.org/   (Accessed: Oct 22, 2018).

The information on this page comes from diverse sources. None of the links are sponsored.