By Theodore F. Niehaus
Этот справочник охватывает 1505 видов дикорастущих цветов, группируя их по окраске и внешнему виду для облегчения сопоставления растений и их изображений. Книга содержит более 1500 иллюстраций.
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Extra info for A Field Guide to Southwestern and Texas Wildflowers
Aspidotis densa (Cryptogramma densa, Onychium densum), pl. 12 indian’s dream 9 Petioles greenish or yellowish; sporangium-bearing leaves usually not outnumbering the sterile leaves of the same clump . . . . . . . . . . . . . . . . . . . . . . . . . Cryptogramma 8 All leaves of 1 type (but not all may bear sporangia) 10 Sporangia conﬁned to the edges of the leaﬂets, forming continuous or interrupted bands and covered at least partly by the inrolled margins of the leaﬂets 11 Inrolled, sporangium-bearing margins of each leaﬂet interrupted; leaﬂets somewhat fan-shaped; petiole and its divisions dark brown or nearly black, shiny .
Dryopteris ﬁlix-mas male fern 22 Indusium attached at one side of the sorus, the curved line of attachment nearly coinciding with the axis of a small vein; underside of leaf lobes without hairlike outgrowths (mature spores yellow; Alaska to Calif. and eastward) . . . . . . . . . . . Athyrium ﬁlix-femina var. cyclosorum, pl. 4 lady fern Athyrium ﬁlix-femina var. californicum, California lady fern, most easily distinguished from var. cyclosorum by its brown spores, is reported from N Oreg.
Blechnaceae deer-fern family (Woodwardia) 8 Successive sori not attached to one another in a row along the midribs of the leaf lobes (but they may be elongated) 9 Primary leaﬂets not deeply divided again; petiole and rachis of leaves mostly dark brown or purplish brown; sori more than twice as long as wide, the indusia attached along one of the longer margins . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Aspleniaceae spleenwort family (Asplenium) 9 Primary leaﬂets often divided 1 or more times; petiole and rachis not mostly dark brown or purplish brown; sori of various shapes (circular, oval, crescentic), but not so much as twice as long as wide (arrangements of indusia also various) .
A Field Guide to Southwestern and Texas Wildflowers by Theodore F. Niehaus