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Project 832: T. A. Dickinson, S. Han. 2023. What is Suksdorf’s hawthorn? revision of the western North American 20-stamen black-fruited hawthorns (Crataegus series Douglasianae, Rosaceae subtribe Malinae). Journal of the Botanical Research Institute of Texas. 17 (1):151-189.
Viewing Folio F1094 Crataegus douglasii Lindl. and segregate taxa containing 53 media.

Allopolyploid (almost entirely tetraploid) 10-stamen black-fruited hawthorn of northwestern North America. Segregate taxa not limited to the four included here (C. atrovirens, C. castlegarensis, C. okennoni, C. phippsii); these segregate taxa are discussed in a forthcoming paper (Dickinson & Han in prep.).

Folio Media

M890243
Crataegus douglasii Lindl.
Specimen-Fruiting
M890244
Crataegus douglasii Lindl.
Specimen-Flowering
M890245
Crataegus douglasii Lindl.
Specimen-Fruiting
M890246
Crataegus douglasii Lindl.
Specimen-Fruiting
M890247
Crataegus douglasii Lindl.
Specimen-Flowering
M890248
Crataegus douglasii Lindl.
Specimen-Flowering
M890249
Crataegus douglasii Lindl.
Specimen-Flowering
M890250
Crataegus douglasii Lindl.
Specimen-Flowering
M890251
Crataegus douglasii Lindl.
Specimen-Fruiting
M890252
Crataegus douglasii Lindl.
Specimen-Flowering
M890253
Crataegus douglasii Lindl.
Specimen-Flowering
M890254
Crataegus douglasii Lindl.
Specimen-Flowering
M890255
Crataegus douglasii Lindl.
Specimen-Flowering
M890256
Crataegus douglasii Lindl.
Specimen-Flowering
M890257
Crataegus douglasii Lindl.
Specimen-Flowering
M890258
Crataegus douglasii Lindl.
Specimen-Flowering
M890259
Crataegus douglasii Lindl.
Specimen-Flowering
M890260
Crataegus douglasii Lindl.
Specimen-Flowering
M890261
Crataegus douglasii Lindl.
Specimen-Flowering
M890262
Crataegus douglasii Lindl.
Specimen-Flowering
M890263
Crataegus douglasii Lindl.
Specimen-Fruiting
M890264
Crataegus douglasii Lindl.
Specimen-Flowering
M890265
Crataegus douglasii Lindl.
Specimen-Fruiting
M890266
Crataegus douglasii Lindl.
Specimen-Flowering
M890267
Crataegus douglasii Lindl.
Specimen-Flowering
M890268
Crataegus douglasii Lindl.
Specimen-Flowering
M890269
Crataegus douglasii Lindl.
Specimen-Flowering
M890270
Crataegus douglasii Lindl.
Specimen-Fruiting
M890271
Crataegus douglasii Lindl.
Specimen-Fruiting
M890272
Crataegus douglasii Lindl.
Specimen-Flowering
M890274
Crataegus douglasii Lindl.
Specimen-Fruiting
M890275
Crataegus douglasii Lindl.
Specimen-Fruiting
M890276
Crataegus douglasii Lindl.
Specimen-Fruiting
M890279
Crataegus douglasii Lindl.
Specimen-Fruiting
M890280
Crataegus douglasii Lindl.
Specimen-Flowering
M890282
Crataegus douglasii Lindl.
Specimen-Flowering
M890283
Crataegus douglasii Lindl.
Specimen-Fruiting
M890284
Crataegus douglasii Lindl.
Specimen-Flowering
M890285
Crataegus douglasii Lindl.
Specimen-Flowering
M890286
Crataegus douglasii Lindl.
Specimen-Fruiting
M890287
Crataegus douglasii Lindl.
Specimen-Flowering
M890289
Crataegus douglasii Lindl.
Specimen-Fruiting
M890291
Crataegus douglasii Lindl.
Specimen-Fruiting
M890294
Crataegus douglasii Lindl.
Specimen-Flowering
M890295
Crataegus douglasii Lindl.
Specimen-Flowering
M890292
Crataegus atrovirens J.B.Phipps ...
Specimen-Flowering
M890293
Crataegus atrovirens J.B.Phipps ...
Specimen-Flowering
M890281
Crataegus castlegarensis J.B.Phi...
Specimen-Fruiting
M890278
Crataegus castlegarensis J.B.Phi...
Specimen-Flowering
M890290
Crataegus phippsii O'Kennon
Specimen-Fruiting
M890296
Crataegus phippsii O'Kennon
Specimen-Flowering
M890273
Crataegus okennonii J.B.Phipps
Specimen-Flowering
M890277
Crataegus okennonii J.B.Phipps
Specimen-Fruiting