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Botanical Name: |
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Common Name: |
Colic Root |
Family: |
Liliaceae (Lily Family) |
Habitat: |
Nutrient poor, acid soils. |
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State Status: |
S3 |
RI Rare Plant Status: |
SC |
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Comments: |
Blooms in early July with white flowers on tall stalks. Basal leaves persist through winter. |
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Botanical Name: |
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Common Name: |
Wild Leek |
Family: |
Liliaceae (Lily Family) |
Habitat: |
Rocky streambanks and moist woods |
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State Status: |
S2 |
RI Rare Plant Status: |
SC |
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Comments: |
Broad leaves appear in April and disappear by late June when flower stalks sprout. |
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Botanical Name: |
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Common Name: |
Blunt-leaved Milkweed |
Family: |
Asclepiadaceae (Milkweed Family) |
Habitat: |
Dry fields and sandy areas. |
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State Status: |
S2 |
RI Rare Plant Status: |
SC |
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Comments: |
This is the only Milkweed in Rhode Island with leaves that clasp the stem. It blooms in July. |
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Botanical Name: |
Asclepias tuberosa |
Common Name: |
Butterfly Weed |
Family: |
Asclepiadaceae (Milkweed Family) |
Habitat: |
Dry, open areas. |
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State Status: |
S2 |
RI Rare Plant Status: |
SC |
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Comments: |
Bright orange flowers top the stems of this unusual Milkweed in mid-July. |
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Botanical Name: |
Carex aquatilis var. substricta |
Common Name: |
Water Sedge |
Family: |
Cyperaceae (Sedge Family) |
Habitat: |
"Marshes, shallow water along shores,usually in neutral or calcareous substrates." (FNA) |
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State Status: |
S1 |
RI Rare Plant Status: |
Not included in RI Rare Plant List |
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Comments: |
Forms large clumps,longest bracts overtop spikes. |
Photo Credit: kbarton |
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Botanical Name: |
Carex collinsii |
Common Name: |
Collins’ Sedge |
Family: |
Cyperaceae (Sedge Family) |
Habitat: |
Red Maple swamps. |
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State Status: |
S1 |
RI Rare Plant Status: |
SE |
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Comments: |
This rare sedge was listed as historical in RI until 2002 when it was discovered in the Big River Management area. |
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Botanical Name: |
Carex polymorpha |
Common Name: |
Variable Sedge |
Family: |
Cyperaceae (Sedge Family) |
Habitat: |
Dry or moist woods, often in acidic soils. |
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State Status: |
S1 |
RI Rare Plant Status: |
SE |
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Comments: |
Colonial, perigymnium beaked |
Photo Credit: kbarton |
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Photo Credit: kbarton |
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Photo Credit: kbarton |
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Botanical Name: |
Carex scabrata |
Common Name: |
Rough Sedge |
Family: |
Cyperaceae (Sedge Family) |
Habitat: |
Wooded swamps. |
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State Status: |
S2 |
RI Rare Plant Status: |
Not included in RI Rare Plant List |
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Comments: |
Perigynium beaked and scabrous |
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Botanical Name: |
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Common Name: |
Pink Tickseed |
Family: |
Asteraceae (Aster Family) |
Habitat: |
Nutrient poor, wet sandy soil. |
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State Status: |
S2 |
RI Rare Plant Status: |
SC |
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Comments: |
A plant of global concern. It is vulnerable to destruction because of its limited range. |
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Botanical Name: |
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Common Name: |
Bunchberry |
Family: |
Cornaceae (Dogwqood Family) |
Habitat: |
Moist woods, often in sphagnum. |
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State Status: |
S3 |
RI Rare Plant Status: |
Not included in RI Rare Plant List |
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Comments: |
Small shrub, leaves appear whorled. |
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Botanical Name: |
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Common Name: |
Collared Dodder |
Family: |
Cuscutaceae (Dodder Family) |
Habitat: |
Parasitic on Coreopsis rosea and other members of the Aster family. |
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State Status: |
S1 |
RI Rare Plant Status: |
SE |
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Comments: |
Collared Dodder is a new species to the RI flora. It was discovered in 2002 in the BRMA. |
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Botanical Name: |
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Common Name: |
Variegated Horsetail |
Family: |
Equisetaceae (Horsetail Family) |
Habitat: |
Wet sandy soil |
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State Status: |
S1 |
RI Rare Plant Status: |
SE |
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Comments: |
There is only one known site for this species in RI. It was recently discovered. |
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Botanical Name: |
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Common Name: |
Umbrella Grass |
Family: |
Cyperaceae (Sedge Family) |
Habitat: |
Wet, sandy soils at pond edges. |
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State Status: |
S1 |
RI Rare Plant Status: |
SE |
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Comments: |
This grass-like member of the sedge family is endangered in RI. |
Photo credit:
Gary P. Fleming © Virginia Natural Heritage Program |
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Botanical Name: |
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Common Name: |
Checkered Rattlesnake-plantain |
Family: |
Orchidaceae (Orchid Family) |
Habitat: |
Acid woods often under Pine trees. |
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State Status: |
S2 |
RI Rare Plant Status: |
— |
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Comments: |
This orchid has checkered, evergreen basal leaves. Its white flowers occur along the main stem. It blooms in July. |
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Botanical Name: |
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Common Name: |
Oak Fern |
Family: |
Dryopteridaceae (Wood Fern Family) |
Habitat: |
Moist woods, sometimes on mossy, damp stone walls. |
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State Status: |
S1 |
RI Rare Plant Status: |
ST |
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Comments: |
A very delicate fern with only one population in RI. Endangered. |
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Botanical Name: |
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Common Name: |
Large Whorled Pogonia |
Family: |
Orchidaceae (Orchid Family) |
Habitat: |
Dry, acid woods. |
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State Status: |
S3 |
RI Rare Plant Status: |
— |
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Comments: |
An inconspicuous, but interesting orchid with five whorled leaves. Blooms as early as mid May. |
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Botanical Name: |
Linum medium var. texanum |
Common Name: |
Yellow Flax |
Family: |
Linaceae (Flax Family) |
Habitat: |
Wet or dry nutrient poor sands. |
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State Status: |
S2 |
RI Rare Plant Status: |
SC |
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Comments: |
This Flax has yellow flowers which open only in sunny weather and last for just one day. Flax produces the fibers used to make linen. |
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Botanical Name: |
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Common Name: |
Yellow or Bog Twayblade |
Family: |
Orchidaceae (Orchid Family) |
Habitat: |
Damp or wet woods. |
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State Status: |
S1 |
RI Rare Plant Status: |
ST |
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Comments: |
Small plant with two basal leaves, yellow flowers. |
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Botanical Name: |
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Common Name: |
Smallflower Halfchaff Sedge |
Family: |
Lipocarpha (Sedge Family) |
Habitat: |
Wet, sandy soils at pond edges. |
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State Status: |
S2 |
RI Rare Plant Status: |
ST |
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Comments: |
A very small, annual sedge which often occurs in large numbers. It is rare in RI. |
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Botanical Name: |
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Common Name: |
Water Gladiole |
Family: |
Campanulaceae (Bluebell Family) |
Habitat: |
Submerged in ponds near shore. |
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State Status: |
S2 |
RI Rare Plant Status: |
SC |
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Comments: |
Small violet-colored flowers on long stems bloom either above or below the surface of the water. |
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Botanical Name: |
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Common Name: |
Mountain Honeysuckle |
Family: |
Caprifoliaceae (Honeysuckle Family) |
Habitat: |
Open woods or swamps, stream edges. |
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State Status: |
S3 |
RI Rare Plant Status: |
C |
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Comments: |
Woody climber with pale yellow flowers |
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Botanical Name: |
Lonicera villosa |
Common Name: |
Mountain Fly Honeysuckle, Waterberry. |
Family: |
Caprifoliaceae (Honeysuckle Family) |
Habitat: |
Red Maple swamps. |
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State Status: |
S1 |
RI Rare Plant Status: |
C |
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Comments: |
This shrub has pairs of yellow nodding flowers which bloom in late April to early May. It is very uncommon in RI. |
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Photo Credit: Jim Riley |
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Botanical Name: |
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Common Name: |
Wild Lupine |
Family: |
Fabaceae (Bean Family) |
Habitat: |
Pine barrens and dry open areas. |
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State Status: |
S2 |
RI Rare Plant Status: |
SC |
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Comments: |
Long spikes of blue-purple flowers are produced in mid-May to July. This is one of our most spectacular flowering plants and is a favorite target of plant thieves. It does not survive transplanting. |
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Botanical Name: |
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Common Name: |
Climbing Fern, Hartford Fern |
Family: |
Schizaeaceae (Curly-grass Fern Family) |
Habitat: |
In moist woods often along stream banks |
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State Status: |
S2,S3 |
RI Rare Plant Status: |
SC |
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Comments: |
An evergreen fern with large sterile leaves at bottom of vine and small fertile leaves at the top. It climbs on twigs and branches. |
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Botanical Name: |
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Common Name: |
Black Spruce |
Family: |
Pinaceae (Pine Family) |
Habitat: |
Cool bogs. |
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State Status: |
S2 |
RI Rare Plant Status: |
SC |
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Comments: |
RI is near the southern limit for this usually northern spruce tree. It sometimes is host to a parasitic plant called Dwarf Mistletoe. |
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Botanical Name: |
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Common Name: |
Sickle-leaved Golden Aster |
Family: |
Asteraceae (Aster Family) |
Habitat: |
Dry, open, sandy areas. |
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State Status: |
S3 |
RI Rare Plant Status: |
SC |
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Comments: |
Thrives in sandy, open areas. The main threats to this plant are its restricted range of occurrence and habitat destruction. |
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Botanical Name: |
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Common Name: |
Small Green Woodland Orchid |
Family: |
Orchidaceae (Orchid Family) |
Habitat: |
Wet woods and swampy areas. |
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State Status: |
S4 |
RI Rare Plant Status: |
— |
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Comments: |
A very small orchid which blooms from mid-July to August Flowers are whitish-green |
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Botanical Name: |
Platanthera lacera |
Common Name: |
Ragged-Fringed Orchid |
Family: |
Orchidaceae (Orchid Family) |
Habitat: |
Swampy areas and sometimes dry fields. |
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State Status: |
S4 |
RI Rare Plant Status: |
SC |
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Comments: |
This orchid has deeply fringed lips giving it a ragged appearance. The flowers are greenish-white. |
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. |
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Botanical Name: |
Platanthera psycodes |
Common Name: |
Small Purple-Fringed Orchid |
Family: |
Orchidaceae (Orchid Family) |
Habitat: |
Swampy areas. |
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State Status: |
S3 |
RI Rare Plant Status: |
SC |
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Comments: |
One of the most striking of Rhode Island’s orchids, it blooms in late July to August. It has long spikes of rose-purple flowers with fringed lips. |
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Botanical Name: |
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Common Name: |
Rose Pogonia Orchid |
Family: |
Orchidaceae (Orchid Family) |
Habitat: |
Moist open fields and |
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sphagnum bogs. |
State Status: |
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RI Rare Plant Status: |
S3 |
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— |
Comments: |
Flowers are pink. A very rare white- flowered form occurs in RI. |
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Botanical Name: |
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Common Name: |
Whorled Milkwort |
Family: |
Polygalaceae (Milkwort Family) |
Habitat: |
Dry fields. |
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State Status: |
S2 |
RI Rare Plant Status: |
SC |
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Comments: |
Flowers are yellowish white. The leaves are whorled which means they encircle the stem. |
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Botanical Name: |
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Common Name: |
Toothcup |
Family: |
Lythraceae (Loosestrifes) |
Habitat: |
Edges of ponds and very wet gravels. |
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State Status: |
S1 |
RI Rare Plant Status: |
SE |
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Comments: |
This small plant is endangered in RI. One population in East Greenwich was destroyed recently by the town. |
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Botanical Name: |
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Common Name: |
Grass-leaved Arrowhead |
Family: |
Alismataceae (Water-Plantain Family) |
Habitat: |
Edges of ponds. |
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State Status: |
S2 |
RI Rare Plant Status: |
SC |
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Comments: |
This small plant has white flowers with three petals and long narrow leaves. |
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Botanical Name: |
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Common Name: |
Pitcher Plant |
Family: |
Sarraceniaceae (Pitcher Plant Family) |
Habitat: |
Sphagnum bogs and wet fields. |
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State Status: |
S3, S4 |
RI Rare Plant Status: |
— |
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Comments: |
Downward pointing hairs trap insects that venture into the pitchers.Pitcher plants use these insects to obtain nutrients. |
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Botanical Name: |
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Common Name: |
Spring Ladies’-tresses |
Family: |
Orchidaceae (Orchid Family) |
Habitat: |
Dry fields. |
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State Status: |
S2 |
RI Rare Plant Status: |
SC |
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Comments: |
The name Spring Ladies’ tresses is a misnomer. This orchid blooms in July. |
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Botanical Name: |
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Common Name: |
Goat’s- rue |
Family: |
Fabaceae (Bean Family) |
Habitat: |
Pine barrens and old fields.. |
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State Status: |
S2 |
RI Rare Plant Status: |
SC |
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Comments: |
The pea-like flowers are large and showy, pink and yellowish- white in color. |
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Botanical Name: |
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Common Name: |
Netted Chain Fern |
Family: |
Blechnaceae (Chain Fern Family) |
Habitat: |
Moist woods. |
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State Status: |
S2 |
RI Rare Plant Status: |
— |
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Comments: |
An uncommon fern with separate sterile and fertile fronds. It resembles the more common Sensitive Fern. |
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