The Alaska Vegetation Classification - Alaska Geobotany Center ...

16a. Grasses, sedges, or rushes(graminoid) plants dominant ..........16b. Forbs or bryophytes dominant ........17a. Grasslands of well-drained, drysites, such as south-facing bluffs,old beaches, and sand dunes.Typically (but not always) dominatedby Elymus spp., Fesfuca spp.,and Deschampsia spp. ..............17b. On moist sites, but usually notwith standing water. Usuallydominated by Calamagrostis spp.,Carex spp. or Eriophorum spp.;tussocks often present ..............17c. On wet sites, standing waterpresent for part of the year;dominated by either sedges orgrasses; includes wet tundra,bogs, marshes, and fens .............18a. Vegetation dominated by forbs(broadleaf herbs, ferns, or horsetails) ............ 111.8 Forb herbaceous 1918b. Vegetation dominated by mossesorlichens .........................19a. On dry sites, usually rocky and welldrained; mostly tundra sites ..........,......... III.B.l Dry forb herbaceous19b. On moist sites but without standingwater, mostly within forested areas .....,......,111.8.2 Mesic forb herbaceous19c. On wet sites, usually with standingwater for part of the year. ..................... 111.8.3 Wet forb herbaceous20a. Vegetation cover dominated bymosses ..........................20b. Vegetation cover dominated bylichens ..........................21a. Vegetation submerged or floatingin fresh water. .......................... . III.A.1 Dry graminoid herbaceous.. lll.A.2 Mesic graminoid herbaceous...... .III.A Graminoid herbaceous 17........................... 18. lll.A.3 Wet graminoid herbaceous..... .III.C Bryoid herbaceous 20................ III.C.l Bryoid moss................lll.C.2 Bryoid lichenIII.D.1 Freshwater aquatic herbaceous21 b. Vegetation submerged or floatingin brackish water ................ lll.D.2 Brackish water aquatic herbaceous21c. Vegetation submerged or floatingin salt water ..........................lll.D.3 Marine aquatic herbaceous14