Browse Items (192 total) for Ada Hayden

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Brassica nigra (Black mustard)

Brassica nigra (Black mustard) specimens (black and white), including flowers and leaves, identified as negative 1322B

Brassica nigra (Black mustard)

Brassica nigra (Black mustard) specimens (black and white), including flowers and leaves, identified as negative 1322A

Brassica nigra (Black mustard)

Brassica nigra (Black mustard) specimens (black and white), including flowers and leaves, identified as negative 1322B

Brassica nigra (Black mustard)

Brassica nigra (Black mustard) specimens (black and white), including flowers and leaves, identified as negative 1322A

Bidens frondosa (Beggar-ticks; Boot-jacks)

Bidens frondosa (Beggar-ticks; Boot-jacks) specimen (handcolored), including flowers and leaves, identified as negative 999

Bidens frondosa (Beggar-ticks; Boot-jacks)

Bidens frondosa (Beggar-ticks; Boot-jacks) specimen (handcolored), including flowers and leaves, identified as negative 999

Bidens frondoasa and cernua (Leafy-bracted tickseed)

Bidens frondoasa to the left and cernua to the right (Leafy-bracted tickseed) specimens (handcolored), including flowers and leaves, identified as negative 1326

Bidens frondoasa and cernua (Leafy-bracted tickseed)

Bidens frondoasa to the left and cernua to the right (Leafy-bracted tickseed) specimens (handcolored), including flowers and leaves, identified as negative 1326

Bidens cernua (Stick-tight, smaller bur marigolds)

Bidens cernua (Stick-tight, smaller bur marigold) specimen (handcolored), including flowers and leaves, identified as negative 1324

Bidens cernua (Stick-tight, smaller bur marigolds)

Bidens cernua (Stick-tight, smaller bur marigold) specimen (handcolored), including flowers and leaves, identified as negative 1324

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