| Date |
Flower |
Family |
Scientific Name |
Photo |
Caption |
| 2009-02-24 | Hummingbird Bush | Acanthus Family | Beloperone californica |  | Lake Havasu State Park, Arizona - - - February 24, 2009 |
| 2006-07-18 | Huckleberry, Red | - Heath Family | Vaccinium parvifolium |  | Tioga Segment, North Umpqua Trail - - - July 18, 2006 |
| 2002-08-27 | Huckleberry, Oval-leaved | - Heath Family | Vaccinium ovalifolium |  | Tombstone Pass, Willamette National Forest - - - August 27, 2002 |
| 2003-08-30 | Huckleberry, Grouse | Heath Family | Vaccinium scoparium |  | Scar Mountain, Willamette National Forest - - - August 30, 2003 |
| 2004-10-22 | Huckleberry, Evergreen | - Heath Family | Vaccinium ovatum |  | Tahkenitch Creek Trail, Siuslaw National Forest - - October 22, 2004 |
| 2002-08-27 | Huckleberry, Dwarf | - Heath Family | Vaccinium caespitosum |  | Park Creek, Willamette National Forest - - - August 27, 2002 |
| 2002-08-27 | Huckleberry, Bog | - Heath Family | Vaccinium uliginosum |  | Park Creek, Willamette Natioanl Forest - - - August 27, 2002 |
| 2002-08-27 | Huckleberry, Big (red variety) | - Heath Family | Vaccinium membranaceum |  | Tombstone Pass, Willamette National Forest - - - August 27, 2002 |
| 2002-09-07 | Huckleberry, Big (black variety) | - Heath Family | Vaccinium membranaceum |  | Table Rock Wilderness - - - September 7, 2002 |
| 2017-04-04 | Hound's Tongue, Western | Forget-Me-Not | Cynoglossum occidentale |  | Audubon Nature Reserve - Salem, Oregon - - - April 4, 2017 |
| 2014-03-26 | Honesty | Mustard | Lunaria annua |  | Salem Audubon Nature Reserve - - - March 26, 2014 |
| 2003-07-12 | Hedge-nettle | - Mint Family | Stachys cooleyae |  | Pyramids Trail, Willamette National Forest - - - July 12, 2003 |
| 2002-08-17 | Heather, White Mountain | - Heath Family | Cassiope mertensiana |  | Jeff Park, Mt Jefferson Wilderness - - - August 17, 2002 |
| 2002-08-17 | Heather, Pink Mountain | - Heath Family | Phyllodoce empetriformis |  | Jeff Park, Mt Jefferson Wilderness - - - August 17, 2002 |
| 2003-09-28 | Hawthorn, Common | | Crataegus monogyna |  | William L. Finley Wildlife Refuge - - -September 28, 2003 |
| 2008-09-05 | Hawthorn, Black | | Crataegus douglasii |  | Thompson's Mill State Heritage Site - - - - September 5, 2008 |
| 2007-07-03 | Hawkweed, White | - Sunflower Family | Hieracium albiflorum |  | Chief Tsiltcoos Trail, Oregon Dunes National Recreation Area - July 3, 2007 |
| 2006-04-29 | Groundsel, White Western | - Sunflower Family | Senecio integerrimus var,ochroleucus |  | Hood River Mountain - - - April 29, 2006 |
| 2002-08-30 | Groundsel, Arrowleaf | - Sunflower Family | Senecia triangularis |  | Eagle Cap Wilderness - - - August 30, 2002 |
| 2001-04-21 | Great Hound's Tongue | - Borage Family | Cynoglossum grande |  | Catherine Creek - - - April 21, 2001 |
