Caprifoliaceae - honeysuckle family
[information to be added]

Mount Desert Island is home to 9 species and 1 hybrid in 5 genera. Click on a link below or scroll down for more information.
   Diervilla (1 species)
      Diervilla lonicera - bush-honeysuckle (common [see note 1 at bottom of page])
   Linnaea (1 species)
      Linnaea borealis - American twinflower (occasional)
   Lonicera (5 species and 1 hybrid)
      Lonicera x bella - L. morrowii x L. tatarica
      Lonicera canadensis - American honeysuckle (uncommon)
      Lonicera japonica - Japanese honeysuckle (rare)
      Lonicera morrowii - Morrow's honeysuckle (occasional)
      Lonicera villosa - mountain fly honeysuckle (uncommon)
      Lonicera xylosteum - European fly honeysuckle (uncommon)
   Symphoricarpos (1 species)
      Symphoricarpos albus - snowberry (uncommon)
   Valeriana (1 species)
      Valeriana officinalis - garden valerian (common)

red font = unique character state or nearly so	habit	leaf type	leaf length	petal color
Diervilla	small arching shrub	simple	5–15 cm	yellow, turning reddish
Linnaea	creeping herb	simple	1–2 cm	white, with rose-purple markings
Lonicera	shrub	simple	[?]	white, yellowish, yellow-green, purple-tinged
Symphoricarpos	shrub	simple	2–3 cm	white, pink
Valeriana	upright herb	pinnately compound	[?]	pale pink, white

Diervilla (bush-honeysuckle)
[information to be added]

Diervilla lonicera (bush-honeysuckle) - [information to be added]

(click on image to enlarge)

Linnaea (twinflower)
[information to be added]

Linnaea borealis (American twinflower) - [information to be added]

(click on image to enlarge)

Lonicera (honeysuckle)
[information to be added]

Lonicera x bella (a hybrid honeysuckle) - [information to be added]

Lonicera canadensis (American honeysuckle) - [information to be added]

Lonicera japonica (Japanese honeysuckle) - [information to be added]

Lonicera morrowii (Morrow's honeysuckle) - [information to be added]

Lonicera villosa (mountain honeysuckle) - [information to be added]

Lonicera xylosteum (fly honeysuckle) - [information to be added]

Symphoricarpos (snowberry)
[information to be added]

Symphoricarpos albus (common snowberry) - [information to be added]

Valeriana (valerian)
[information to be added]

Valeriana officinalis (garden valerian) - [information to be added]
   
(click on an image to enlarge)

Note:
   1. Frequency designations are from the book The Plants of Acadia National Park (ISBN 978-0-89101-120-0) by Glen H. Mittelhauser, Linda L. Gregory, Sally C. Rooney, and Jill E. Weber, published in 2010 by The University of Maine Press.