By Dennis W. Magee
Even though public curiosity in wetlands has grown significantly in recent times, the linked problems with laws and environmental coverage are usually pressured by means of the necessity to competently outline a wetland quarter. a lot of the trouble comes from an lack of ability to spot wetland indicator species and to figure out no matter if a given region includes a major share of such vegetation. The 182 species taken care of during this paintings symbolize the quick majority of genera mostly encountered in freshwater wetlands in the course of the Northeast, as a result, this can turn out a useful ebook for these excited about how an accurate definition of wetland components impacts judgements approximately land use, improvement, and/or conservation.
Following a quick advent that discusses the sensible values of wetlands and describes their numerous varieties, the guide is geared up into significant elements, the 1st together with keys which are in line with lifestyles shape and association of plant components, the second one which includes an outline of every species. Such elements as diversity, habitat, basic features, stem, leaves, inflorescence, fruit, and related species are lined within the descriptions.
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Additional info for Freshwater Wetlands : A Guide to Common Indicator Plants of the Northeast
Leaves lacking center stripe l. , Bur-reed (p. 62) Leaves with few, widely spaced parallel veins and cross veinsAlismataceae, Arrowhead (p. 66) and Water-plantain (p. 65) l. Cross veins not present between the parallel veins m. Leaves arising in a flat, fan-like plane along a stout rhizome Page 14 Butomus umbellatus, Flowering Rush (p. 67) m. Leaves not arising in a flat, fan-like plane from a rhizome Leaves very narrow, hair-like, bases not sheathing Leaves lacking bulb-like basesScirpus subterminalis, Water Bulrush (p.
157) m. Leaves lacking glands on the midvein; shrub or tree n. Shrub with a persistent, pyramid-shaped panicle at the tip of the stemSpiraea latifolia, Meadow-sweet (p. 156) n. Shrub or tree lacking a persistent, pyramid-shaped panicle o. Leaf margins doubly toothed (fig. , Alder (p. 121) 6 7 8 Page 20 Tree with a trunk having muscle-like vertical ridges; horizontal lines and cones lackingCarpinus caroliniana, Blue Beech (p. 119) o. Leaf margins singly toothed, or if doubly toothed then persistent scaly spikes present p.
103) c. Leaves neither abruptly widened nor swollen at the base d. , Bitter Cress (p. 148) Leaves somewhat deltoid-shaped, not divided into segmentsPontederia cordata, Pickerelweed (p. 104) d. Leaves long and narrow, not separated into a distinct stalk and blade e. , Sedge (p. , Bulrush (p. , Rush (p. , Yellow-eyed Grass (p. 102) e. Leaves not in grass-like patches, not forming stools or tussocks, flat f. , Bur-reed (p. 62) f. Leaves not keeled g. Leaves with a spicy aroma when bruised, midvein off-centerAcorus calamus, Sweetflag (p.