Author · 1867 – 1926
Charles V. Piper
Flora of the northwest coast
Charles V. Piper
Flora of the northwest coast
Flora of southeastern Washington and adjacent Idaho
Charles V. Piper
Flora of southeastern Washington and adjacent Idaho
Forage Plants and Their Culture
Charles V. Piper
Forage Plants and Their Culture
Hairy vetch (Vicia villosa)
Charles V. Piper
Hairy vetch (Vicia villosa)
Important cultivated grasses
Charles V. Piper
Important cultivated grasses
Flora of the state of Washington.
Charles V. Piper
Flora of the state of Washington.
The soybean
Charles V. Piper
The soybean
Kudzu (Pueraria thunbergiana)
Charles V. Piper
Kudzu (Pueraria thunbergiana)
Soy beans
Charles V. Piper
Soy beans
Green manuring
Charles V. Piper
Green manuring
Sacaline
Charles V. Piper
Sacaline
Napier grass
Charles V. Piper
Napier grass
All 40 works
Crimson clover (Trifolium incarnatum)
Charles V. Piper
Crimson clover (Trifolium incarnatum)
Sudan grass, a new drought-resistant hay plant
Charles V. Piper
Sudan grass, a new drought-resistant hay plant
The agricultural species of bent grasses
Charles V. Piper
The agricultural species of bent grasses
Rhodes grass (Chloris gayana)
Charles V. Piper
Rhodes grass (Chloris gayana)
Carib grass (Eriochloa subglabra)
Charles V. Piper
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