401. Crested Wood Fern
Dryopteris cristata
402. Greater Fringed Gentian
Gentianopsis crinita
403. Swamp Thistle
Cirsium muticum
404. Inland Sedge
Carex interior
405. Broad Loose-Flowered Sedge
Carex laxiflora
406. Spiked Muhly
Muhlenbergia glomerata
407. Knotted Rush
Juncus nodosus
408. Northern Bugleweed
Lycopus uniflorus
409. Sand Cress
Arabidopsis lyrata
410. Bristly Buttercup
Ranunculus hispidus
411. Yellow Lady’s Slipper
Cypripedium parviflorum
412. Showy Lady’s Slipper
Cypripedium reginae
413. Yellow Sedge
Carex flava
414. Wheat Sedge
Carex atherodes
415. Knotsheath Sedge
Carex retrorsa
416. Fibrousroot Sedge
Carex communis
417. Drooping Woodland Sedge
Carex arctata
418. Arctic Brome
Bromus kalmii
419. Bristly Greenbrier
Smilax hispida
420. Dewey’s Sedge
Carex deweyana
421. Rocky Mountain Fescue
Festuca saximontana
422. Northern Evening Primrose
Oenothera parviflora
423. White Rattlesnakeroot
Nabalus albus
424. Swamp Candles
Lysimachia terrestris
425. Annual Fleabane
Erigeron annuus
426. Spear Saltbush
Atriplex patula
427. Northern Redcurrant
Ribes triste
428. Eastern Prickly Gooseberry
Ribes cynosbati
429. American Vetch
Vicia americana
430. Southern Wood-Sorrel
Oxalis dillenii
431. Waxflower Shinleaf
Pyrola elliptica
432. Rattlesnake Fern
Botrypus virginianus
433. Selkirk’s Violet
Viola selkirkii
434. Cinnamon Fern
Osmunda cinnamomea
435. Flatleaf Bladderwort
Utricularia intermedia
436. Threeleaf Goldthread
Coptis trifolia
437. Rough Bedstraw
Galium asprellum
438. Rough Avens
Geum laciniatum
439. Clammy Groundcherry
Physalis heterophylla
440. Ontario Aster
Symphyotrichum ontarionis
441. Pennsylvania Bittercress
Cardamine pensylvanica
442. Dwarf Red Blackberry
Rubus pubescens
443. Tiny Trumpet
Collomia linearis
444. Beggarslice
Hackelia virginiana
445. Fragrant Bedstraw
Galium triflorum
446. Thinleaf Cottonsedge
Eriophorum viridicarinatum
447. Rigid Sedge
Carex tetanica
448. Slim-Stem Small Reed Grass
Calamagrostis stricta
449. Grove Bluegrass
Poa alsodes
450. Interrupted Fern
Claytosmunda claytoniana
451. Eastern Marsh Fern
Thelypteris palustris subsp. pubescens
452. Bog Willow
Salix pedicellaris
453. Leafy Pondweed
Potamogeton foliosus
454. Fraser’s Marsh St. Johnswort
Triadenum fraseri
455. Coontail
Ceratophyllum demersum
456. Marsh Seedbox
Ludwigia palustris
457. Fringed Willowherb
Epilobium ciliatum
458. Philadelphia Fleabane
Erigeron philadelphicus
459. Prickly Currant
Ribes lacustre
460. Alpine Enchanter’s Nightshade
Circaea alpina
461. Water Knotweed
Persicaria amphibia
462. Northern Bog Violet
Viola nephrophylla
463. Field Mouse-Ear
Cerastium arvense
464. Bastard Toadflax
Comandra umbellata
465. Fringed Brome
Bromus ciliatus
466. Bristly-Stalked Sedge
Carex leptalea
467. Tower Rockcress
Turritis glabra
468. Broad-Glumed Wheatgrass
Elymus violaceus
469. Southern Lady Fern
Athyrium asplenioides
470. Marsh Speedwell
Veronica scutellata
471. Orangefruit Horse-Gentian
Triosteum aurantiacum
472. Eastern Poison Ivy
Toxicodendron radicans
473. Canada Lettuce
Lactuca canadensis
474. Littleleaf Buttercup
Ranunculus abortivus
475. Canada Nettle
Laportea canadensis
476. Maryland Sanicle
Sanicula marilandica
477. Ram’s Head Lady’s Slipper
Cypripedium arietinum
478. Alkali Buttercup
Ranunculus cymbalaria
479. American Lopseed
Phryma leptostachya
480. Schweinitz’s Flatsedge
Cyperus schweinitzii
481. False Melic
Schizachne purpurascens
482. Lamb’s Quarters
Chenopodium album
483. Allegheny Vine
Adlumia fungosa
484. Indian Pipe
Monotropa uniflora
485. Arrowleaf Tearthumb
Persicaria sagittata
486. Marsh Bellflower
Campanula aparinoides
487. Prairie Cordgrass
Sporobolus michauxianus
488. Black-Fruited Rice Grass
Oryzopsis racemosa
489. Pointedleaf Ticktrefoil
Hylodesmum glutinosum
490. Low False Bindweed
Calystegia spithamaea
491. St. Lawrence Bladderfern
Cystopteris laurentiana
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