1. A. Listing Criteria. The following factors shall be considered for listing a plant species as endangered:

   1. (1) Whether only a few populations are known in Maryland and they cover only a small portion of land;
   2. (2) Whether the species is restricted to a minimal geographic area;
   3. (3) Whether the species has experienced a substantial decline in Maryland, and if the decline continues, the species’ extirpation from Maryland is imminent;
   4. (4) Whether the species’ essential habitat has been rapidly lost and that loss is likely to continue;
   5. (5) Whether the species’ biology makes it highly susceptible to changes in its environment; or
   6. (6) Whether the species’ essential habitat is easily altered by even relatively minor activities.

2. B. Permits. The permit procedures to be followed are set forth in Regulation .03 of this chapter. The following apply:

   1. (1) Permits shall be issued only for scientific research designed to enhance the recovery of the species or population;

   2. (2) A person may not:

      1. (a) Export, possess, process, sell, offer for sale, deliver, carry, transport, or ship by any means any endangered plant species without a special permit from the Director, the federal government, or another state government;
      2. (b) Take any endangered plant species from State property except by special permit from the Director; and
      3. (c) Take any endangered plant species from private property without the written permission of the landowner.

3. C. The following plant species are considered endangered throughout Maryland unless a smaller range is indicated:

   1. (1) Blue monkshood (Aconitum uncinatum);
   2. (2) Sensitive joint vetch (Aeschynomene virginica);
   3. (3) Earleaf false foxglove (Agalinis auriculata);
   4. (4) Sandplain gerardia (Agalinis decemloba);
   5. (5) Thread-leaved gerardia (Agalinis setacea);
   6. (6) Pale false foxglove (Agalinis skinneriana);
   7. (7) Woodland agrimony (Agrimonia striata);
   8. (8) Seabeach amaranth (Amaranthus pumilus);
   9. (9) Roundleaf shadbush (Amelanchier sanguinea);
   10. (10) Filmy angelica (Angelica triquinata);
   11. (11) Vanilla grass (Anthoxanthum hirtum);
   12. (12) Missouri rock cress (Arabis missouriensis);
   13. (13) Bristly sarsaparilla (Aralia hispida);
   14. (14) Bearberry (Arctostaphylos uva-ursi);
   15. (15) Woolly three-awn (Aristida lanosa);
   16. (16) Lake-cress (Armoracia lacustris);
   17. (17) Leopard’s-bane (Arnica acaulis);
   18. (18) Red milkweed (Asclepias rubra);
   19. (19) Lobed spleenwort (Asplenium pinnatifidum);
   20. (20) Canadian milkvetch (Astragalus canadensis);
   21. (21) Aster-like boltonia (Boltonia asteroides var. glastifolia);
   22. (22) Broad-glumed brome (Bromus latiglumis);
   23. (23) Wild calla (Calla palustris);
   24. (24) Tuberous grass-pink (Calopogon tuberosus);
   25. (25) Long’s bitter cress (Cardamine longii);
   26. (26) Summer sedge (Carex aestivalis);
   27. (27) Carey’s sedge (Carex careyana);
   28. (28) Field sedge (Carex conoidea);
   29. (29) Davis’ sedge (Carex davisii);
   30. (30) Cypress-knee sedge (Carex decomposita);
   31. (31) Lesser panicled sedge (Carex diandra);
   32. (32) Ebony sedge (Carex eburnea);
   33. (33) Coast sedge (Carex exilis);
   34. (34) Fraser’s sedge (Carex fraserianus);
   35. (35) Southern waxy sedge (Carex glaucescens);
   36. (36) Cloud sedge (Carex haydenii);
   37. (37) Hitchcock’s sedge (Carex hitchcockiana);
   38. (38) Porcupine sedge (Carex hystericina);
   39. (39) Slender sedge (Carex lasiocarpa);
   40. (40) Mead’s sedge (Carex meadii);
   41. (41) Longstalk sedge (Carex pedunculata);
   42. (42) Richardson’s sedge (Carex richardsonii);
   43. (43) Sea-beach sedge (Carex silicea);
   44. (44) Slender sedge (Carex tetanica);
   45. (45) Tuckerman’s sedge (Carex tuckermanii);
   46. (46) Big shellbark hickory (Carya laciniosa);
   47. (47) Scarlet Indian-paintbrush (Castilleja coccinea);
   48. (48) Sleepingplant (Chamaecrista fasciculata var. macrosperma);
   49. (49) Dwarf dogwood (Chamaepericlymenum canadense);
   50. (50) Bulb-bearing water-hemlock (Cicuta bulbifera);
   51. (51) Spreading pogonia (Cleistesiopsis divaricata);
   52. (52) Purple clematis (Clematis occidentalis);
   53. (53) Long-bract green orchis (Coeloglossum viride);
   54. (54) Goldthread (Coptis trifolia);
   55. (55) Early coralroot (Corallorhiza trifida);
   56. (56) Spring coralroot (Corallorhiza wisteriana);
   57. (57) Rose coreopsis (Coreopsis rosea);
   58. (58) Tall tickseed (Coreopsis tripteris);
   59. (59) Water pygmyweed (Crassula aquatica);
   60. (60) Plains frostweed (Crocanthemum bicknellii);
   61. (61) Smartweed dodder (Cuscuta polygonorum);
   62. (62) Beaked dodder (Cuscuta rostrata);
   63. (63) Plukenet’s flatsedge (Cyperus plukenetii);
   64. (64) Small white lady’s-slipper (Cypripedium candidum);
   65. (65) Tall larkspur (Delphinium exaltatum);
   66. (66) Tufted hair grass (Deschampsia caespitosa);
   67. (67) Stiff tick-trefoil (Desmodium obtusum);
   68. (68) Cream tick-trefoil (Desmodium ochroleucum);
   69. (69) Pineland tick-trefoil (Desmodium strictum);
   70. (70) Wright’s witchgrass (Dicanthelium wrightianum);
   71. (71) Pink sundew (Drosera capillaris);
   72. (72) Mountain woodfern (Dryopteris campyloptera);
   73. (73) Clinton’s woodfern (Dryopteris clintoniana);
   74. (74) Upright burhead (Echinodorus cordifolius);
   75. (75) Flat-stem spikerush (Eleocharis compressa var. compressa);
   76. (76) Horsetail spikerush (Eleocharis equisetoides);
   77. (77) Saltmarsh spikerush (Eleocharis halophila);
   78. (78) Matted spikerush (Eleocharis intermedia);
   79. (79) Black-fruit spikerush (Eleocharis melanocarpa);
   80. (80) Robbins’ spikerush (Eleocharis robbinsii);
   81. (81) Three-angle spikerush (Eleocharis tricostata);
   82. (82) Downy willowherb (Epilobium strictum);
   83. (83) Water horsetail (Equisetum fluviatile);
   84. (84) Woodland horsetail (Equisetum sylvaticum);
   85. (85) Seven-angle pipewort (Eriocaulon aquaticum);
   86. (86) Slender cotton-grass (Eriophorum gracile);
   87. (87) Glade spurge (Euphorbia purpurea);
   88. (88) Bluntleaf spurge (Euphorbia spathulata);
   89. (89) Rough wood-aster (Eurybia radula);
   90. (90) Showy aster (Eurybia spectabilis);
   91. (91) Queen of the prairie (Filipendula rubra);
   92. (92) Harper’s fimbristylis (Fimbristylis perpusilla);
   93. (93) Northern bedstraw (Galium boreale);
   94. (94) Coast bedstraw (Galium hispidulum);
   95. (95) Creeping snowberry (Gaultheria hispidula);
   96. (96) Box huckleberry (Gaylussacia brachycera);
   97. (97) Dwarf huckleberry (Gaylussacia dumosa);
   98. (98) Striped gentian (Gentiana villosa);
   99. (99) Stiff gentian (Gentianella quinquefolia);
   100. (100) Fringed gentian (Gentianopsis crinita);
   101. (101) Appalachian sandwort (Geocarpon glabrum);
   102. (102) Yellow avens (Geum aleppicum);
   103. (103) Sharp-scaled manna grass (Glyceria acutiflora);
   104. (104) American manna grass (Glyceria grandis);
   105. (105) Short’s hedge hyssop (Gratiola viscidula);
   106. (106) Northern oak fern (Gymnocarpium dryopteris);
   107. (107) Broad-leaved beard grass (Gymnopogon brevifolius);
   108. (108) Smooth sunflower (Helianthus laevigatus);
   109. (109) Swamp-pink (Helonias bullata);
   110. (110) Crested coralroot (Hexalectris spicata);
   111. (111) Virginia heartleaf (Hexastylis virginica);
   112. (112) Seabeach sandwort (Honckenya peploides);
   113. (113) Golden-heather (Hudsonia ericoides);
   114. (114) Few-flower tick-trefoil (Hylodesmum pauciflorum);
   115. (115) Creeping St. John’s-wort (Hypericum adpressum);
   116. (116) Eastern bloodleaf (Iresine rhizomatosa);
   117. (117) Crested dwarf iris (Iris cristata);
   118. (118) Slender blue flag (Iris prismatica);
   119. (119) Dwarf iris (Iris verna);
   120. (120) New Jersey rush (Juncus caesariensis);
   121. (121) Long’s rush (Juncus longii);
   122. (122) Brown-fruit rush (Juncus pelocarpus);
   123. (123) Carolina redroot (Lachnanthes caroliana);
   124. (124) Larch (Larix laricina);
   125. (125) Vetchling peavine (Lathyrus palustris);
   126. (126) Club-head cutgrass (Leersia hexandra);
   127. (127) Catchfly-grass (Leersia lenticularis);
   128. (128) Star duckweed (Lemna trisulca);
   129. (129) Scaly gayfeather (Liatris squarrosa);
   130. (130) American frog’s-bit (Limnobium spongia);
   131. (131) Mudwort (Limosella australis);
   132. (132) Grooved yellow flax (Linum sulcatum);
   133. (133) Dwarf bulrush (Lipocarpha micrantha);
   134. (134) Kidneyleaf twayblade (Listera smallii);
   135. (135) American gromwell (Lithospermum latifolium);
   136. (136) Soft-hairy false gromwell (Lithospermum molle);
   137. (137) Virginia false gromwell (Lithospermum virginianum);
   138. (138) Pond spice (Litsea aestivalis);
   139. (139) Canby’s lobelia (Lobelia canbyi);
   140. (140) American fly-honeysuckle (Lonicera canadensis);
   141. (141) Hairy ludwigia (Ludwigia hirtella);
   142. (142) Sessile-leaved bugleweed (Lycopus amplectens);
   143. (143) Water loosestrife (Lysimachia thyrsiflora);
   144. (144) Winged-loosestrife (Lythrum alatum);
   145. (145) Starflower Solomon’s-plume (Maianthemum stellatum);
   146. (146) Climbing milkweed (Matelea obliqua);
   147. (147) Purple mecardonia (Mecardonia acuminata);
   148. (148) Bog buckbean (Menyanthes trifoliata);
   149. (149) Wrinkled joint grass (Mnesithea rugosa);
   150. (150) Grove sandwort (Moehringia lateriflora);
   151. (151) Sweet pinesap (Monotropsis odorata);
   152. (152) Long-awn hairgrass (Muhlenbergia capillaris);
   153. (153) Torrey’s dropseed (Muhlenbergia torreyana);
   154. (154) Slender rattlesnake root (Nabalus autumnalis);
   155. (155) Glade mallow (Napaea dioica);
   156. (156) Big floatingheart (Nymphoides aquatica);
   157. (157) Little floatingheart (Nymphoides cordata);
   158. (158) Highland rush (Oreojuncus trifidus);
   159. (159) Sourwood (Oxydendrum arboreum);
   160. (160) Wiry witch grass (Panicum flexile);
   161. (161) Kidneyleaf grass-of-Parnassus (Parnassia asarifolia);
   162. (162) Yellow nailwort (Paronychia virginica);
   163. (163) American feverfew (Parthenium integrifolium);
   164. (164) Canby’s mountain-lover (Paxistima canbyi);
   165. (165) Swamp lousewort (Pedicularis lanceolata);
   166. (166) Smooth cliffbrake (Pellaea glabella);
   167. (167) Red bay (Persea palustris);
   168. (168) Smooth phlox (Phlox glaberrima);
   169. (169) Downy phlox (Phlox pilosa);
   170. (170) Drooping bluegrass (Poa saltuensis);
   171. (171) Common clammyweed (Polanisia dodecandra);
   172. (172) Seabeach knotweed (Polygonum glaucum);
   173. (173) Flatstem pondweed (Potamogeton zosteriformis);
   174. (174) Beach plum (Prunus maritima);
   175. (175) Carolina clubmoss (Pseudolycopodiella caroliniana);
   176. (176) Harperella (Ptilimnium nodosum);
   177. (177) Torrey’s mountainmint (Pycnanthemum torreyi);
   178. (178) Early buttercup (Ranunculus fascicularis);
   179. (179) Yellow water crowfoot (Ranunculus flabellaris);
   180. (180) Long-stalked crowfoot (Ranunculus hederaceus);
   181. (181) Mississippi buttercup (Ranunculus laxicaulis);
   182. (182) Northeastern white water crowfoot (Ranunculus trichophyllus);
   183. (183) Capitate beakrush (Rhynchospora cephalantha);
   184. (184) Globe beaksedge (Rhynchospora globularis);
   185. (185) Drowned hornedrush (Rhynchospora inundata);
   186. (186) Mid-Atlantic beaksedge (Rhynchospora mesoatlantica);
   187. (187) Short-beaked baldrush (Rhynchospora nitens);
   188. (188) Virginia mallow (Ripariosida hermaphrodita);
   189. (189) Smooth rose (Rosa blanda);
   190. (190) Hairy wild petunia (Ruellia humilis);
   191. (191) Pursh’s wild petunia (Ruellia purshiana);
   192. (192) Tall dock (Rumex altissimus);
   193. (193) Slender marsh pink (Sabatia campanulata);
   194. (194) Two-formed pink (Sabatia difformis);
   195. (195) Pinebarren sandwort (Sabulina caroliniana);
   196. (196) Slender plumegrass (Saccharum baldwinii);
   197. (197) Gibbous panic-grass (Sacciolepis striata);
   198. (198) Sessile-fruit arrowhead (Sagittaria rigida);
   199. (199) Narrowleaf willow (Salix interior);
   200. (200) Blunt-lobe grapefern (Sceptridium oneidense);
   201. (201) Purple oat (Schizachne purpurascens);
   202. (202) Water bulrush (Schoenoplectus subterminalis);
   203. (203) Northeastern bulrush (Scirpus ancistrochaetus);
   204. (204) Slender nutrush (Scleria minor);
   205. (205) Low nutrush (Scleria verticillata);
   206. (206) Rock skullcap (Scutellaria saxatilis);
   207. (207) Sweet-scented Indian-plantain (Senecio suaveolens);
   208. (208) Puerto Rico sea-purslane (Sesuvium maritimum);
   209. (209) Snowy campion (Silene nivea);
   210. (210) Sandyland blue-eyed grass (Sisyrinchium arenicola);
   211. (211) Prairie goldenrod (Solidago rigida);
   212. (212) Long-bristle Indiangrass (Sorghastrum elliottii);
   213. (213) Smooth false buttonweed (Spermacoce glabra);
   214. (214) Shining ladies’-tresses (Spiranthes lucida);
   215. (215) Yellow nodding ladies’-tresses (Spiranthes ochroleuca);
   216. (216) Northern dropseed (Sporobolus heterolepis);
   217. (217) Gritty hedge-nettle (Stachys aspera);
   218. (218) Trailing stitchwort (Stellaria alsine);
   219. (219) Death-camus (Stenanthium leimanthoides);
   220. (220) Roundleaf dogwood (Swida rugosa);
   221. (221) Eastern silvery aster (Symphyotrichum concolor);
   222. (222) Serpentine aster (Symphyotrichum depauperatum);
   223. (223) Purple meadow parsnip (Thaspium trifoliatum);
   224. (224) Climbing dogbane (Thrysanthella difformis);
   225. (225) Canby’s dropwort (Tiedmannia canbyi);
   226. (226) Three-ribbed arrow grass (Triglochin striata);
   227. (227) Nodding trillium (Trillium flexipes);
   228. (228) Snow trillium (Trillium nivale);
   229. (229) Yellowleaf tinker’s-weed (Triosteum angustifolium);
   230. (230) Nodding pogonia (Triphora trianthophora);
   231. (231) Northeastern bladderwort (Utricularia resupinata);
   232. (232) Fibrous bladderwort (Utricularia striata);
   233. (233) Valerian (Valeriana pauciflora);
   234. (234) Goose-foot corn-salad (Valerianella chenopodiifolia);
   235. (235) Broadleaf bunchflower (Veratrum hybridum);
   236. (236) Marsh-speedwell (Veronica scutellata);
   237. (237) Fringed yellow-eyed-grass (Xyris fimbriata);
   238. (238) Small’s yellow-eyed-grass (Xyris smalliana);
   239. (239) Northern prickly ash (Zanthoxylum americanum);
   240. (240) Atamasco lily (Zephyranthes atamasca); and
   241. (241) Southern wild rice (Zizaniopsis miliacea).

Authority: Natural Resources Article, §§4-2A-01—4-2A-09 and 10-2A-01—10-2A-09, Annotated Code of Maryland

Effective date:

Regulations .01 and .02 were previously codified as Regulations .43 and .65, respectively, under COMAR 08.03.01 Wildlife Conservation. This recodification was effective June 3, 1985 (12:11 Md. R. 1047)

For the history of these regulations before June 3, 1985, see the Administrative History which follows COMAR 08.03.01.

Regulation .01 amended effective June 3, 1985 (12:11 Md. R. 1047)

Regulations .01 and .02 repealed effective June 29, 1987 (14:13 Md. R. 1471)

Regulations .01—.11 adopted effective June 29, 1987 (14:13 Md. R. 1471)

Regulation .01 amended effective June 26, 1989 (16:12 Md. R. 1334); December 24, 1990 (17:25 Md. R. 2906)

Regulations .04B and C, .05C, .06, .07C, .08C, .09C, and .10C amended and Regulation .11 recodified to Regulation .12 and new Regulation .11 adopted effective December 24, 1990 (17:25 Md. R. 2906)

Regulation .11-1 adopted as an emergency provision effective April 13, 1992 (19:8 Md. R. 799)

Regulation .11-1 adopted effective August 3, 1992 (19:15 Md. R. 1388)

Chapter revised effective October 24, 1994 (21:21 Md. R. 1813)

Regulation .01B amended effective September 4, 2000 (27:17 Md. R. 1618); November 10, 2003 (30:22 Md. R. 1578); December 31, 2007 (34:26 Md. R. 2261)

Regulation .04C amended effective September 4, 2000 (27:17 Md. R. 1618); November 10, 2003 (30:22 Md. R. 1578); October 22, 2007 (34:21 Md. R. 1914); April 5, 2010 (37:7 Md. R. 570)

Regulation .05C amended effective January 22, 2001 (28:1 Md. R. 25); November 10, 2003 (30:22 Md. R. 1578); October 22, 2007 (34:21 Md. R. 1914); April 5, 2010 (37:7 Md. R. 570)

Regulation .06 amended effective October 22, 2007 (34:21 Md. R. 1914); April 5, 2010 (37:7 Md. R. 570)

Regulation .06C amended effective January 22, 2001 (28:1 Md. R. 25); November 10, 2003 (30:22 Md. R. 1578)

Regulation .07C amended effective September 4, 2000 (27:17 Md. R. 1618); November 10, 2003 (30:22 Md. R. 1578); October 22, 2007 (34:21 Md. R. 1914); April 5, 2010 (37:7 Md. R. 570)

Regulation .08C amended effective January 22, 2001 (28:1 Md. R. 25); November 10, 2003 (30:22 Md. R. 1578); October 22, 2007 (34:21 Md. R. 1914); April 5, 2010 (37:7 Md. R. 570)

Regulation .09C amended effective November 10, 2003 (30:22 Md. R. 1578); October 22, 2007 (34:21 Md. R. 1914); April 5, 2010 (37:7 Md. R. 570)

Regulation .10B amended effective September 4, 2000 (27:17 Md. R. 1618); November 10, 2003 (30:22 Md. R. 1578)

Regulation .12 amended effective November 10, 2003 (30:22 Md. R. 1578)

Regulation .14 adopted effective December 31, 2007 (34:26 Md. R. 2261)

Chapter revised effective August 29, 2016 (43:17 Md. R. 953)

Regulation .01B amended effective February 8, 2021 (48:3 Md. R. 93); August 4, 2025 (52:15 Md. R. 811)

Regulation .03A amended effective September 26, 2016 (43:19 Md. R. 1071)

Regulation .04C amended effective February 8, 2021 (48:3 Md. R. 93); August 4, 2025 (52:15 Md. R. 811)

Regulation .05C amended effective February 8, 2021 (48:3 Md. R. 93); August 4, 2025 (52:15 Md. R. 811)

Regulation .06 amended effective February 8, 2021 (48:3 Md. R. 93)

Regulation .06C, F, I amended effective August 4, 2025 (52:15 Md. R. 811)

Regulation .07C amended effective February 8, 2021 (48:3 Md. R. 93); August 4, 2025 (52:15 Md. R. 811)

Regulation .08C amended effective February 8, 2021 (48:3 Md. R. 93); August 4, 2025 (52:15 Md. R. 811)

Regulation .09C amended effective February 8, 2021 (48:3 Md. R. 93); August 4, 2025 (52:15 Md. R. 811)