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Plants of Isle Royale National Park

The plants most often spotted in Isle Royale, ranked by recent research-grade observations.

4,080
recent observations
50
species listed
50
plants

Naturalists have logged 4,080 research-grade observations across the 50 most-recorded species in Isle Royale. The most frequently seen is the Canadian Bunchberry, with 238 recorded sightings.

Rarer finds confirmed in Isle Royale include Fairy Slipper, One-flowered Pyrola and Mistassini Primrose - uncommon enough that a sighting is worth logging.

Fairy SlipperOne-flowered PyrolaMistassini Primrose

Most-observed plants in Isle Royale

Canadian Bunchberry
Cornus canadensis
238 observations
Bluebead Lily
Clintonia borealis
193 observations
Thimbleberry
Rubus parviflorus
177 observations
Eastern Skunk Cabbage
Symplocarpus foetidus
130 observations
Red Baneberry
Actaea rubra
130 observations
Fringed Polygala
Polygaloides paucifolia
127 observations · iNaturalist
Rock Harlequin
Capnoides sempervirens
119 observations · iNaturalist
Wood Lily
Lilium philadelphicum
118 observations
Fireweed
Chamaenerion angustifolium
116 observations · iNaturalist
Wild Sarsaparilla
Aralia nudicaulis
109 observations
Orange Hawkweed
Pilosella aurantiaca
106 observations · iNaturalist
Marsh Marigold
Caltha palustris
100 observations
Northern Paintbrush
Castilleja septentrionalis
94 observations · iNaturalist
Pink Lady's Slipper
Cypripedium acaule
90 observations
Pearly Everlasting
Anaphalis margaritacea
90 observations
Pipsissewa
Chimaphila umbellata
90 observations
Bearberry
Arctostaphylos uva-ursi
86 observations
Twinflower
Linnaea borealis
85 observations
Perennial Cornflower
Centaurea montana
78 observations · iNaturalist
Spotted Coralroot
Corallorhiza maculata
77 observations
Northern Bush Honeysuckle
Diervilla lonicera
74 observations · iNaturalist
Squashberry
Viburnum edule
71 observations · iNaturalist
Northern Whitecedar
Thuja occidentalis
69 observations
Large-leaved Aster
Eurybia macrophylla
69 observations
Ghost Pipe
Monotropa uniflora
68 observations
Purple Pitcher Plant
Sarracenia purpurea
65 observations
Canada Mayflower
Maianthemum canadense
65 observations
Virginia Saxifrage
Micranthes virginiensis
65 observations · iNaturalist
Three-toothed Cinquefoil
Sibbaldiopsis tridentata
62 observations · iNaturalist
Northern Blue Flag
Iris versicolor
60 observations
Fairy-slipper
Calypso bulbosa
59 observations
Common Cowparsnip
Heracleum maximum
59 observations
Northern Starflower
Lysimachia borealis
59 observations · iNaturalist
Common Ninebark
Physocarpus opulifolius
58 observations
Ram's-head Lady's Slipper
Cypripedium arietinum
56 observations · iNaturalist
Yellow Lady's Slipper
Cypripedium parviflorum
55 observations
Red-berried Elder
Sambucus racemosa
55 observations
Glaucous Honeysuckle
Lonicera dioica
55 observations · iNaturalist
Western Rattlesnake Plantain
Goodyera oblongifolia
54 observations
Prickly Wild Rose
Rosa acicularis
54 observations
Northern Comandra
Geocaulon lividum
54 observations · iNaturalist
One-flowered Wintergreen
Moneses uniflora
53 observations
Mistassini Primrose
Primula mistassinica
53 observations
Balsam Fir
Abies balsamea
50 observations
Lowbush Blueberry
Vaccinium angustifolium
49 observations
Virginia Strawberry
Fragaria virginiana
48 observations
Red Columbine
Aquilegia canadensis
47 observations
Oxeye Daisy
Leucanthemum vulgare
47 observations
Common Butterwort
Pinguicula vulgaris
47 observations
Rose Twisted-stalk
Streptopus lanceolatus
47 observations · iNaturalist

Built from recent research-grade iNaturalist observations. Identifications are community-sourced and may occasionally be wrong, and the ranking reflects where people record and photograph wildlife, so a species seen often here is not necessarily rare elsewhere. Some plants and animals are only out in certain seasons. Treat this as a lively snapshot of what people are finding, not a formal checklist.

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