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Roger Spencer
Roger Spencer (BSc (Hons), MSc, PhD, Cert, Gard.) is Senior Horticultural Botanist at the Royal Botanic Gardens Victoria in the Plant Identification Service. He has written many po...lihat lebih banyakRoger Spencer (BSc (Hons), MSc, PhD, Cert, Gard.) is Senior Horticultural Botanist at the Royal Botanic Gardens Victoria in the Plant Identification Service. He has written many popular and scientific articles on horticultural topics and books on Elms, Grey and Silver Foliage Plants, and a recent 5-volume Horticultural Flora of South-eastern Australia.lihat lebih sedikit
Buku oleh Roger Spencer
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