| Date |
Flower |
Family |
Scientific Name |
Photo |
Caption |
| 2008-02-10 | Cactus, Cane Cholla | - Cactus Family | Opuntia spinosior |  | Bellota Trail, Arizona - - - - February 10, 2008 |
| 2005-11-07 | Cactus, Engelmann's Prickly Pear | - Cactus Family | Opuntia phaeacantha |  | Bog Springs Campground, Arizona - - November 7, 2005 |
| 2008-02-03 | Cactus, Fishhook Barrel | - Cactus Family | Ferocactus wislizenii |  | Cactus Forest Trail, Saguaro National Park - - - February 3, 2008 |
| 2009-12-10 | Cactus, Pincushion | - Cactus Family | Mammillaria microcarpa |  | Buckskin Trail - Buckskin Mountain State Park , Arizona- - - - - December 10, 2009 |
| 2005-11-05 | Cactus, Red Barrel | - Cactus Family | Ferocactus acanthodes |  | Buckskin Mountain Trail, Arizona --- November 5, 2005 |
| 2005-11-05 | Cactus, Saguaro | - Cactus Family | Cereus giganteus |  | Buckskin Mountain State Park, Arizona - - - - November 5, 2005 |
| 2005-11-05 | Cactus, Teddy Bear Cholla | - Cactus Family | Opuntia bigelovii |  | Buckskin Mountian Trail, Arizona --- November 5, 2005 |
| 2001-04-22 | Camas, Common | - Lily Family | Camassia quamash |  | Catherine Creek, Columbia Gorge National Scenic Area - - - April 22, 2001 |
| 2002-04-04 | Camas, Death | - Lily Family | Zigadenus venenosus |  | Columbia River Gorge National Scenic Area - April 4, 2002 |
| 2002-06-02 | Candy Flower | - Purslane Family | Montia sibirica |  | Dimble Hill - - - June 2, 2002 |
| 2014-06-06 | Candystick | Indian Pipe Family | Allotropa virgata |  | Tumble Creek Trail, Detroit Ranger District - - - June 6, 2014 |
| 2003-08-30 | Cascara | - Buckthorn Family | Rhamnus purshiana |  | Camas Prairie, Willamette National Forest - - - August 30, 2003 |
| 2003-09-28 | Cattail | - Cattail Family | Typha latifolia |  | William L. Finley Wildlife Refuge - - - September 28, 2003 |
| 2013-05-18 | Ceanothus, Blue Blossom | Buckthorn Family | Ceanothus thyrisiforus |  | Elkton, Oregon - - - May 18, 2013 |
| 2007-05-27 | Ceanothus, Redstem | Buckthorn Family | Ceanothus sanguineus |  | Talburt Trail, North Bank Habitat Management Area - - May 23, 2007 |
| 2007-05-23 | Ceanothus, Squawcarpet | Buckthorn Family | Ceanothus prostratus |  | Lemelo Lake, Umpqua National Forest - - - May 23, 2007 |
| 2010-04-19 | Checkermallow, Meadow | Mallow Family | Sidalcea campestris |  | Moon Mt Park - Eugene - - - April 19, 2010 - photo by Michael Scott |
| 2002-07-02 | Checkermallow, Oregon | - Mallow Family | Sidalcea oregana |  | North Fork John Day Wilderness - - - July 2, 2002 |
| 2003-09-02 | Cherry, Bitter | | Prunus emarginata |  | Black Butte, Deschutes National Forest - - - September 2, 2003 |
| 2001-07-04 | Chickweed, Field | - Pink Family | Cerastium arvense |  | Marys Peak - - - July 4, 2001 |
