Table 13. Potential vegetative evidence of location below the ordinary high water mark

IDENTIFYING THE ORDINARY HIGH WATER MARK: SUMMARY AND SYNTHESIS

Table 14. Possible vegetative evidence of location above the ordinary high water mark

ERDC-TR-04-1
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Chapter 4. Vegetation

Table 13. Potential vegetative evidence of location below the ordinary high water mark.

Selected examples

Rip.

Representative taxa

Herbaceous plants:

Phragmites australis, Juncus

spp., Carex spp.,

emergent or fluvial

marsh taxa (All, HM)

J. arcticus, Eleocharis

E. palustris, Agrostis stolon-

ifera, Euthamia occidentalis

Friedman et al.

Veronica anagallis-aquatica,

Eragrostis pectinata

Scripus americanus,

Paspalum distichum

Xanthium strumarium,

Hydromesic ruderals

Polypogon monspeliensis

dominant (All, HM)

Friedman et al.

Perennial herbs:

Poa pratensis, Aster

hesperius, Carex spp., Juncus

Hydromesic clonal

balticus, Equisetum spp.

plants dominant

Cynodon dactylon, Paspalum

seedlings within

Populus, Salix, Tamarix

Pioneer tree seedlings

P. fremontii and S. gooddingii

above/beyond active

channel (e.g., on

floodplain, overflow

channels) (All, HM-M)

Pioneer tree saplings

Populus, Salix, Platanus spp.

and/or poles, on

P. fremontii, S. gooddingii

surfaces without

mature individuals

P. fremontii, S. exigua,

Tamarix saplings

S. Fk. Republi- Katz (2001)

Low herbaceous cover

substrate, sparse

vegetation (All, M-X)

Xeroriparian species

Acacia constricta, A. greggii,

dominant(?) (All, X)

Baccharis sarothroides,

Hymenoclea salsola

Chrysothamnus paniculatus,

Gutierrezia microcephala, H.

L = mid-low elevation, H = high-mid elevation, HM = hydro-mesic riparian, M = mesoriparian, X =

* Parentheses indicate (elevation, riparian moisture type) in which the indicator is likely to be applicable.

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