| Gattung: | Ceanothus L. |
| Familie: | Rhamnaceae |
| Arten: | über 50 |
| Vorkommen: | N-Amerika, vorw. Kalifornien |
| Arten: |
| Ceanothus americanus L. |
| Ceanothus arboreus Greene |
| Ceanothus confusus J.T. Howell |
| Ceanothus connivens Greene |
| Ceanothus cordulatus Kellogg |
| Ceanothus crassifolius Torr. |
| Ceanothus cuneatus (Hook.) Nutt. |
| Ceanothus cuneatus var. fascicularis (McMinn) |
| Ceanothus cuneatus var. rigidus (Nutt.) Hoover |
| Ceanothus cyaneus Eastw. |
| Ceanothus dentatus Torr. & Gray |
| Ceanothus divergens Parry |
| Ceanothus diversifolius Kellogg |
| Ceanothus fendleri Gray |
| Ceanothus ferrisiae McMinn |
| Ceanothus foliosus Parry |
| Ceanothus foliosus var. foliosus |
| Ceanothus foliosus var. medius McMinn |
| Ceanothus foliosus var. vineatus McMinn |
| Ceanothus fresnensis Dudley ex Abrams |
| Ceanothus gloriosus J.T. Howell |
| Ceanothus gloriosus var. exaltatus J.T. Howell |
| Ceanothus gloriosus var. gloriosus |
| Ceanothus gloriosus var. porrectus J.T. Howell |
| Ceanothus greggii Gray |
| Ceanothus greggii var. greggii |
| Ceanothus greggii var. perplexans (Trel.) Jepson |
| Ceanothus greggii var. vestitus (Greene) McMinn |
| Ceanothus griseus (Trel. ex B.L. Robins.) McMinn |
| Ceanothus hearstiorum Hoover & J.B. Roof |
| Ceanothus herbaceus Raf. |
| Ceanothus impressus Trel. |
| Ceanothus impressus var. impressus |
| Ceanothus impressus var. nipomensis McMinn |
| Ceanothus incanus Torr. & Gray |
| Ceanothus integerrimus Hook. & Arn. |
| Ceanothus jepsonii Greene |
| Ceanothus jepsonii var. albiflorus J.T. Howell |
| Ceanothus jepsonii var. jepsonii |
| Ceanothus lemmonii Parry |
| Ceanothus leucodermis Greene |
| Ceanothus maritimus Hoover |
| Ceanothus martinii M.E. Jones |
| Ceanothus masonii McMinn |
| Ceanothus megacarpus Nutt. |
| Ceanothus megacarpus var. insularis (Eastw.) Munz |
| Ceanothus megacarpus var. megacarpus |
| Ceanothus microphyllus Michx. |
| Ceanothus oliganthus Nutt. |
| Ceanothus ophiochilus Boyd, Ross & Arnseth |
| Ceanothus palmeri Trel. |
| Ceanothus papillosus Torr. & Gray |
| Ceanothus papillosus var. papillosus |
| Ceanothus papillosus var. roweanus McMinn |
| Ceanothus parryi Trel. |
| Ceanothus parvifolius (S. Wats.) Trel. |
| Ceanothus pinetorum Coville |
| Ceanothus prostratus Benth. |
| Ceanothus pumilus Greene |
| Ceanothus purpureus Jepson |
| Ceanothus roderickii Knight |
| Ceanothus sanguineus Pursh |
| Ceanothus serpyllifolius Nutt. |
| Ceanothus sonomensis J.T. Howell |
| Ceanothus sorediatus Hook. & Arn. |
| Ceanothus spinosus Green |
| Ceanothus thyrsiflorus Eschsch. |
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Ceanothus thyrsiflorus var. repens McMinn |
| Ceanothus tomentosus Parry |
| Ceanothus velutinus Dougl. ex Hook. |
| Ceanothus velutinus var. hookeri M.C. Johnston |
| Ceanothus velutinus var. velutinus |
| Ceanothus verrucosus Nutt. |