Mourning Bride (spp.) Mourning Widow Cranesbill 'Lily Lovell'
Mourning Widow Cranesbill 'Purpureum' Mourning Widow Cranesbill 'Samobor'
Mourning Widow 'Lily Lovell' Mourning Widow 'Purpureum'
Mourning Widow 'Samobor' Mouse Ear
Mouse Ear Hawkweed Mouse-Ear Chickweed (spp.)
Mouse-Ear Chickweed 'Yo Yo' Mouse-eared Coreopsis (spp.)
Mouse-eared Coreopsis Dwarf Mouse-eared Coreopsis 'Zamphir'
Mousehole Tree 'Mousmee' Bigleaf Hydrangea
Moutan Peony (spp.) Moutan Peony 'Amber Moon'
Moutan Peony 'Hanakisoi' Moutan Peony 'Hephestos'
Moutan Peony 'Hoki' Moutan Peony 'Kinshi'
Moutan Peony 'Roman Gold' Moutan Peony 'Sahohime'
Moutan Peony 'Spring Carnival' Moutan Peony 'Thunderbolt'
Moutan Peony 'Yagumo' 'Mozart' Rose
'Mozart' Rosemary 'Mr. Fokker' Poppy Anemone
'Mr. Goldstrike' Japanese Laurel 'Mr. Majestic' French Marigold
'Mrs. A.H. Austin' Daylily 'Mrs. C.H. Gill' Heath
'Mrs. F.J. Close' American Holly 'Mrs. Frank Beach' Common Garden Peony
'Mrs. G.W. Leak' Rhododendron: hybrid 'Mrs. GH Pring' Waterlily
'Mrs. Giuseppi' Houseleek 'Mrs. Kendall Clark' Meadow Cranesbill
'Mrs. Loewer' Ohio Spiderwort Mrs. Loewer's Spiderwort 'Mrs. Loewer'
'Mrs. N. Thompson' Hybrid Clematis 'Mrs. Popple' Fuchsia
Mt. Atlas Daisy Mt. Atlas Daisy: pyrethrum
Mt. Emei Evergreen Dogwood Mt. Etna Broom
'Mt. Fire' Japanese Pieris 'Mt. Fuji' Summer Phlox
'Mt. Fuji' Thunberg Spirea 'Mt. St. Helens' Alumroot: Heuchera
Mt. Tamalpais Manzanita Mt. Tranquillon Ceanothus 'Gerda Isenberg'
'Mu' Chinese Date Muatucana, Orange
'Mucronata' Norway Spruce Mueller Araucaria
Muellers Terminalia Mugo Pine (spp.)
Mugo Pine 'Compacta' Mugo Pine 'Gallica'
Mugo Pine 'Gnom' Mugo Pine 'Oregon Jade'
Mugo Pine 'Valley Cushion' Mugo Pine 'White Bud'
Mugwort 'Powis Castle' Mugwort, Western (spp.)
Mugwort, White (spp.) Mugwort, White 'Guizhou'
Mugwort: austriaca Mugwort: ludoviciana, Western (spp.)
Mugwort: ludoviciana, Western 'Silver Queen' Mugwort: schmidtiana (spp.)
Mugwort: schmidtiana 'Silver Mound' Mugwort: vulgaris (spp.)
Mugwort: vulgaris 'Oriental Limelight' Mukwa
Mulberry, Aino Mulberry, Black
Mulberry, Common (spp.) Mulberry, Common 'Chaparral'
Mulberry, Common 'Paper Dolls' Mulberry, Common Weeping
Mulberry, French Mulberry, Indian
Mulberry, Paper Mulberry, Red
Mulberry, White (spp.) Mulberry, White 'Chaparral'
Mulberry, White 'Paper Dolls' Mulberry, White Weeping
Mulberry: alba tartarica, White Mulga, True